How far is Roi Et from Kathmandu?
The distance between Kathmandu (Tribhuvan International Airport) and Roi Et (Roi Et Airport) is 1423 miles / 2290 kilometers / 1236 nautical miles.
The driving distance from Kathmandu (KTM) to Roi Et (ROI) is 2146 miles / 3454 kilometers, and travel time by car is about 42 hours 14 minutes.
Tribhuvan International Airport – Roi Et Airport
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Distance from Kathmandu to Roi Et
There are several ways to calculate the distance from Kathmandu to Roi Et. Here are two standard methods:
Vincenty's formula (applied above)- 1422.671 miles
- 2289.567 kilometers
- 1236.267 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1422.993 miles
- 2290.085 kilometers
- 1236.547 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Kathmandu to Roi Et?
The estimated flight time from Tribhuvan International Airport to Roi Et Airport is 3 hours and 11 minutes.
What is the time difference between Kathmandu and Roi Et?
Flight carbon footprint between Tribhuvan International Airport (KTM) and Roi Et Airport (ROI)
On average, flying from Kathmandu to Roi Et generates about 175 kg of CO2 per passenger, and 175 kilograms equals 385 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Kathmandu to Roi Et
See the map of the shortest flight path between Tribhuvan International Airport (KTM) and Roi Et Airport (ROI).
Airport information
Origin | Tribhuvan International Airport |
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City: | Kathmandu |
Country: | Nepal ![]() |
IATA Code: | KTM |
ICAO Code: | VNKT |
Coordinates: | 27°41′47″N, 85°21′32″E |
Destination | Roi Et Airport |
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City: | Roi Et |
Country: | Thailand ![]() |
IATA Code: | ROI |
ICAO Code: | VTUV |
Coordinates: | 16°7′0″N, 103°46′26″E |