How far is Kathmandu from Simara?

The distance between Simara (Simara Airport) and Kathmandu (Tribhuvan International Airport) is 44 miles / 70 kilometers / 38 nautical miles.

The driving distance from Simara (SIF) to Kathmandu (KTM) is 76 miles / 123 kilometers, and travel time by car is about 1 hour 59 minutes.

Distance from Simara to Kathmandu

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

Vincenty's formula (applied above)

• 43.702 miles
• 70.331 kilometers
• 37.976 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

• 43.788 miles
• 70.470 kilometers
• 38.051 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 Simara to Kathmandu?

The estimated flight time from Simara Airport to Tribhuvan International Airport is 34 minutes.

What is the time difference between Simara and Kathmandu?

There is no time difference between Simara and Kathmandu.

Flight carbon footprint between Simara Airport (SIF) and Tribhuvan International Airport (KTM)

On average, flying from Simara to Kathmandu generates about 31 kg of CO2 per passenger, and 31 kilograms equals 69 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Simara to Kathmandu

See the map of the shortest flight path between Simara Airport (SIF) and Tribhuvan International Airport (KTM).

Airport information

Origin	Simara Airport
City:	Simara
Country:	Nepal
IATA Code:	SIF
ICAO Code:	VNSI
Coordinates:	27°9′34″N, 84°58′48″E

Destination	Tribhuvan International Airport
City:	Kathmandu
Country:	Nepal
IATA Code:	KTM
ICAO Code:	VNKT
Coordinates:	27°41′47″N, 85°21′32″E