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Bangkok to Ulan Bator Flight Distance

Suvarnabhumi Airport (BKK) to Chinggis Khaan International Airport (ULN)

Medium HaulNorth (7°)Direct flights available
Primary sources · 6
  1. [1] Vincenty (1975)Direct and Inverse Solutions of Geodesics on the Ellipsoid — the iterative formula used for distance · Survey Review XXIII (176), pp. 88–93 · April 1975 https://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf
  2. [2] NGA.STND.0036_1.0.0_WGS84WGS-84 reference ellipsoid (a = 6,378,137 m, 1/f = 298.257223563) · NGA Standard · July 2014 https://earth-info.nga.mil/index.php?dir=wgs84&action=wgs84
  3. [3] DESNZ 2024 conversion factorsPer-km kg CO₂e factors for the three distance bands and four cabin classes · UK Department for Energy Security and Net Zero · June 2024 https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2024
  4. [4] Lee et al. (2021)Effective radiative forcing of aviation — the science behind the 1.9 × CO₂ → CO₂e uplift · Atmospheric Environment 244, 117834 · January 2021 https://doi.org/10.1016/j.atmosenv.2020.117834
  5. [5] OpenFlightsAirport coordinates and IATA codes · openflights.org/data.php · Community-maintained https://openflights.org/data.php
  6. [6] Sack (2010)Jet-lag review — clinical chronobiology and asymmetric recovery rates · New England Journal of Medicine 362:440 · February 2010 https://www.nejm.org/doi/full/10.1056/NEJMcp0909838

Loading globe...

2,379
Miles
3,829
Kilometers
2,067
Nautical miles
5h 10m
Flight time
Route Distance Scale3,829 km of 18,000 km max
0Short <1,500kmMedium <4,000kmLong <12,000kmUltra-Long

Your Route Summary

BKK
Origin
Suvarnabhumi Airport
Bangkok, Thailand
13.6811°, 100.7470°
ULN
Destination
Chinggis Khaan International Airport
Ulan Bator, Mongolia
47.8431°, 106.7670°

What This Means For Your Trip

Flight Duration: At 2,379 miles, this medium-haul flight will take approximately 5h 10m. Consider bringing a book or downloading entertainment for the journey.

Time Adjustment: Ulan Bator is 1 hour ahead of Bangkok. You should experience minimal jet lag.

Environmental Impact: An economy class seat produces approximately 574 kg of CO2. Consider carbon offset programs—planting 52 trees could offset this flight.

Flight Options: 1 airline serves this route, giving you options for schedule and price comparison.

Complete Flight Analysis

MetricValueCategory / Reference
Distance (Miles)2,379 miPrimary frequent flyer unit
Distance (Kilometers)3,829 kmInternational standard
Distance (Nautical Miles)2,067 nmAviation standard
Flight Time5h 10mBased on 850 km/h cruise + ground time
Route ClassificationMEDIUM HAULMedium-haul flight (1,500 - 4,000 km)
Flight Direction7° NNorth
Cruising Altitude37,000 ftFL370 (11,278 m)
Time Difference+1hJet lag: none
CO2 (Economy)574 kgDEFRA 2024 factors
CO2 (Business)1666 kg2.9x economy
CO2 (First Class)2297 kg4x economy
Trees to Offset52Economy class, per passenger
Fuel per Passenger115 L~20,700 L total (180 pax)
Operating Airlines1Direct flights available

Tips for This Route

Book Early
Book 3-6 weeks ahead for competitive fares on this route.
Best Window Seat
Choose the right side for views with less sun glare on this north flight.
Adjust Your Clock
Minimal time change—no special preparation needed.
Pack Smart
Bring entertainment, snacks, and a neck pillow for comfort.
Offset Your Impact
Consider offsetting 574 kg CO2 through verified programs—equivalent to planting 52 trees.
Compare Prices
Check multiple booking sites and set price alerts for the best fares.
BKK
DEPARTURE

Suvarnabhumi Airport

Bangkok, Thailand

IATA / ICAO
BKK / VTBS
Elevation
5 ft (2 m)
Local Time
07:29 AM
GMT+7
Coordinates
13.6811°, 100.7470°
View full airport details
ULN
ARRIVAL+1h from departure

Chinggis Khaan International Airport

Ulan Bator, Mongolia

IATA / ICAO
ULN / ZMUB
Elevation
4,364 ft (1330 m)
Local Time
08:29 AM
GMT+8
Coordinates
47.8431°, 106.7670°
View full airport details

Airlines Flying This Route

1 airline operate flights between Bangkok and Ulan Bator.

MR
Homer Air
Germany

Flight Details

Cruising Altitude
37,000 ft (11,278 m)
FL370
Flight Direction
North
Initial bearing: 7°
Route Type
Medium-haul flight (1,500 - 4,000 km)
Typical Aircraft
Airbus A321Boeing 737 MAXAirbus A320neo
Fuel Consumption
115 L per passenger
~20,700 L total (180 passengers)
Geographic Context
Route stays within the Northern Hemisphere
Both airports are in the Northern Hemisphere. Both airports are in the Eastern Hemisphere.

Flight Midpoint

The geographic midpoint of this flight is located at:

Latitude
30° 47' 44.6" N
30.7957°
Longitude
103° 12' 21.5" E
103.2060°
Halfway Point
1,190 mi
155 min into flight

Carbon Emissions by Cabin Class

CO2 emissions vary by cabin class due to seat space allocation. Based on DEFRA 2024 emission factors.

Economy
574 kg
CO2e: 1091 kg
Premium Economy
919 kg
CO2e: 1746 kg
Business
1666 kg
CO2e: 3165 kg
First Class
2297 kg
CO2e: 4365 kg
Carbon Offset
To offset an economy class seat, plant approximately 52 trees.Equivalent to 1.1 months of average person's carbon footprint

Jet Lag & Travel Tips

Jet Lag Severity
none
Time Zone Change
1 hour forward
Flying eastward
Tips for This Journey
  • Minimal time difference - jet lag unlikely

Seat Recommendations

Best Window for Views
right Side
Sun will be on the right (east/south) side
Recommendation
Either side offers good views on northbound flights

Distance in Perspective

1
9.6% of Earth's circumference
2
100 flights of this distance would reach the Moon
3
Similar to Los Angeles to New York (3,944 km)
4
3.1 hours at the speed of sound

Distance & Speed Reference

MeasurementValue
Statute Miles2,379 mi
Kilometers3,829 km
Nautical Miles2,067 nm
Meters3,829,000 m
Feet12,561,120 ft
Flight Time (850 km/h)5h 10m

Travel Speed Comparison

How long would it take to cover the 3,829 km between Bangkok and Ulan Bator at different speeds?

ModeSpeedTime
Commercial Jet850 km/h5h 10m
Turboprop Aircraft500 km/h7h 39m
Bullet Train320 km/h11h 58m
Car (highway)100 km/h38h 17m
Walking5 km/h766h (32 days)
Speed of Sound1,235 km/h3h 6m

Round Trip Summary

4,758
total miles
7,658
total km
10h 20m
total flight time
1,148
kg CO2 (economy)
View Return Flight: ULN to BKK

Quick Facts

Distance2,379 mi
Flight Time5h 10m
Route Typemedium haul
DirectionN
AltitudeFL370
Time Diff+1h
CO2 (Economy)574 kg
Airlines1

Frequently Asked Questions

How far is Bangkok from Ulan Bator?

The flight distance from Suvarnabhumi Airport (BKK) to Chinggis Khaan International Airport (ULN) is 2,379 miles (3,829 km). This is the great circle distance calculated using the Vincenty formula.

How long is the flight?

A direct flight takes approximately 5h 10m. This is a medium-haul flight typically cruising at 37,000 feet (FL370).

What is the time difference?

Ulan Bator is 1 hour ahead of Bangkok.

What airlines fly this route?

1 airline operate this route: Homer Air.

What is the carbon footprint?

Economy class: 574 kg CO2 per passenger. Business class: 1666 kg. First class: 2297 kg. Offset with ~52 trees.

Which seat side is best?

For this North flight, the right side offers the best views away from sun glare.

Can I drive from Bangkok to Ulan Bator instead of flying?

Driving is not practical for this 3,829 km distance, especially across international borders. It would theoretically take over 48 hours of driving. Flying at 5h 10m is the recommended option.

What aircraft typically fly this route?

This medium-haul route is typically served by Airbus A321, Boeing 737 MAX, Airbus A320neo aircraft. A mix of narrow-body and wide-body aircraft may operate this route depending on demand.

How can I offset the carbon from this flight?

An economy class seat on this route produces 574 kg CO2. You can offset this by planting approximately 52 trees, purchasing verified carbon credits through programs like Gold Standard or Verra, or supporting renewable energy projects. Many airlines also offer built-in carbon offset options during booking.

External Resources & References

Learn more about the airports, aviation data, and carbon emissions methodology used in this calculation.

Dig deeper on this route