How far is Vientiane from Kathmandu?
The distance between Kathmandu (Tribhuvan International Airport) and Vientiane (Wattay International Airport) is 1282 miles / 2064 kilometers / 1114 nautical miles.
The driving distance from Kathmandu (KTM) to Vientiane (VTE) is 2154 miles / 3467 kilometers, and travel time by car is about 42 hours 43 minutes.
Tribhuvan International Airport – Wattay International Airport
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Distance from Kathmandu to Vientiane
There are several ways to calculate the distance from Kathmandu to Vientiane. Here are two standard methods:
Vincenty's formula (applied above)- 1282.354 miles
- 2063.748 kilometers
- 1114.335 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- 1282.258 miles
- 2063.595 kilometers
- 1114.252 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 Vientiane?
The estimated flight time from Tribhuvan International Airport to Wattay International Airport is 2 hours and 55 minutes.
What is the time difference between Kathmandu and Vientiane?
Flight carbon footprint between Tribhuvan International Airport (KTM) and Wattay International Airport (VTE)
On average, flying from Kathmandu to Vientiane generates about 166 kg of CO2 per passenger, and 166 kilograms equals 365 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 Vientiane
See the map of the shortest flight path between Tribhuvan International Airport (KTM) and Wattay International Airport (VTE).
Airport information
| Origin | Tribhuvan International Airport |
|---|---|
| City: | Kathmandu |
| Country: | Nepal  |
| IATA Code: | KTM |
| ICAO Code: | VNKT |
| Coordinates: | 27°41′47″N, 85°21′32″E |
| Destination | Wattay International Airport |
|---|---|
| City: | Vientiane |
| Country: | Laos  |
| IATA Code: | VTE |
| ICAO Code: | VLVT |
| Coordinates: | 17°59′17″N, 102°33′46″E |