Air Miles Calculator logo

How far is Simao from Kathmandu?

The distance between Kathmandu (Tribhuvan International Airport) and Simao (Pu'er Simao Airport) is 1032 miles / 1661 kilometers / 897 nautical miles.

The driving distance from Kathmandu (KTM) to Simao (SYM) is 1695 miles / 2728 kilometers, and travel time by car is about 35 hours 36 minutes.

Tribhuvan International Airport – Pu'er Simao Airport

Distance arrow
1032
Miles
Distance arrow
1661
Kilometers
Distance arrow
897
Nautical miles
Flight time duration
2 h 27 min
Time Difference
2 h 15 min
CO2 emission
153 kg

Search flights

Distance from Kathmandu to Simao

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

Vincenty's formula (applied above)
  • 1032.279 miles
  • 1661.292 kilometers
  • 897.026 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
  • 1031.105 miles
  • 1659.403 kilometers
  • 896.006 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 Simao?

The estimated flight time from Tribhuvan International Airport to Pu'er Simao Airport is 2 hours and 27 minutes.

Flight carbon footprint between Tribhuvan International Airport (KTM) and Pu'er Simao Airport (SYM)

On average, flying from Kathmandu to Simao generates about 153 kg of CO2 per passenger, and 153 kilograms equals 337 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 Simao

See the map of the shortest flight path between Tribhuvan International Airport (KTM) and Pu'er Simao Airport (SYM).

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 Pu'er Simao Airport
City: Simao
Country: China Flag of China
IATA Code: SYM
ICAO Code: ZPSM
Coordinates: 22°47′35″N, 100°57′32″E