Air Miles Calculator logo

How far is St Louis, MO, from Kathmandu?

The distance between Kathmandu (Tribhuvan International Airport) and St Louis (St. Louis Lambert International Airport) is 7851 miles / 12635 kilometers / 6822 nautical miles.

Tribhuvan International Airport – St. Louis Lambert International Airport

Distance arrow
7851
Miles
Distance arrow
12635
Kilometers
Distance arrow
6822
Nautical miles
Flight time duration
15 h 21 min
Time Difference
11 h 45 min
CO2 emission
977 kg

Search flights

Distance from Kathmandu to St Louis

There are several ways to calculate the distance from Kathmandu to St Louis. Here are two standard methods:

Vincenty's formula (applied above)
  • 7851.144 miles
  • 12635.191 kilometers
  • 6822.457 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
  • 7837.605 miles
  • 12613.403 kilometers
  • 6810.693 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 St Louis?

The estimated flight time from Tribhuvan International Airport to St. Louis Lambert International Airport is 15 hours and 21 minutes.

Flight carbon footprint between Tribhuvan International Airport (KTM) and St. Louis Lambert International Airport (STL)

On average, flying from Kathmandu to St Louis generates about 977 kg of CO2 per passenger, and 977 kilograms equals 2 153 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Kathmandu to St Louis

See the map of the shortest flight path between Tribhuvan International Airport (KTM) and St. Louis Lambert International Airport (STL).

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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W