How far is Semnan from Tehran?

The distance between Tehran (Mehrabad International Airport) and Semnan (Semnan Municipal Airport) is 123 miles / 198 kilometers / 107 nautical miles.

The driving distance from Tehran (THR) to Semnan (SNX) is 152 miles / 244 kilometers, and travel time by car is about 3 hours 18 minutes.

Distance from Tehran to Semnan

There are several ways to calculate the distance from Tehran to Semnan. Here are two standard methods:

Vincenty's formula (applied above)

• 122.966 miles
• 197.895 kilometers
• 106.855 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

• 122.691 miles
• 197.452 kilometers
• 106.615 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 Tehran to Semnan?

The estimated flight time from Mehrabad International Airport to Semnan Municipal Airport is 43 minutes.

What is the time difference between Tehran and Semnan?

There is no time difference between Tehran and Semnan.

Flight carbon footprint between Mehrabad International Airport (THR) and Semnan Municipal Airport (SNX)

On average, flying from Tehran to Semnan generates about 43 kg of CO2 per passenger, and 43 kilograms equals 95 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Tehran to Semnan

See the map of the shortest flight path between Mehrabad International Airport (THR) and Semnan Municipal Airport (SNX).

Airport information

Origin	Mehrabad International Airport
City:	Tehran
Country:	Iran
IATA Code:	THR
ICAO Code:	OIII
Coordinates:	35°41′21″N, 51°18′48″E

Destination	Semnan Municipal Airport
City:	Semnan
Country:	Iran
IATA Code:	SNX
ICAO Code:	OIIS
Coordinates:	35°35′27″N, 53°29′42″E