Air Miles Calculator logo

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

Distance arrow
1423
Miles
Distance arrow
2290
Kilometers
Distance arrow
1236
Nautical miles
Flight time duration
3 h 11 min
Time Difference
1 h 15 min
CO2 emission
175 kg

Search flights

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.

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
City: Kathmandu
Country: Nepal Flag of Nepal
IATA Code: KTM
ICAO Code: VNKT
Coordinates: 27°41′47″N, 85°21′32″E
Destination Roi Et Airport
City: Roi Et
Country: Thailand Flag of Thailand
IATA Code: ROI
ICAO Code: VTUV
Coordinates: 16°7′0″N, 103°46′26″E