How far is Kathmandu from Rayong?
The distance between Rayong (U-Tapao International Airport) and Kathmandu (Tribhuvan International Airport) is 1446 miles / 2327 kilometers / 1256 nautical miles.
The driving distance from Rayong (UTP) to Kathmandu (KTM) is 2138 miles / 3441 kilometers, and travel time by car is about 41 hours 35 minutes.
U-Tapao International Airport – Tribhuvan International Airport
Search flights
Distance from Rayong to Kathmandu
There are several ways to calculate the distance from Rayong to Kathmandu. Here are two standard methods:
Vincenty's formula (applied above)- 1445.910 miles
- 2326.967 kilometers
- 1256.462 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- 1448.060 miles
- 2330.427 kilometers
- 1258.330 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 Rayong to Kathmandu?
The estimated flight time from U-Tapao International Airport to Tribhuvan International Airport is 3 hours and 14 minutes.
What is the time difference between Rayong and Kathmandu?
Flight carbon footprint between U-Tapao International Airport (UTP) and Tribhuvan International Airport (KTM)
On average, flying from Rayong to Kathmandu generates about 176 kg of CO2 per passenger, and 176 kilograms equals 388 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rayong to Kathmandu
See the map of the shortest flight path between U-Tapao International Airport (UTP) and Tribhuvan International Airport (KTM).
Airport information
| Origin | U-Tapao International Airport |
|---|---|
| City: | Rayong |
| Country: | Thailand  |
| IATA Code: | UTP |
| ICAO Code: | VTBU |
| Coordinates: | 12°40′47″N, 101°0′17″E |
| Destination | Tribhuvan International Airport |
|---|---|
| City: | Kathmandu |
| Country: | Nepal  |
| IATA Code: | KTM |
| ICAO Code: | VNKT |
| Coordinates: | 27°41′47″N, 85°21′32″E |