How far is Tehran from Semnan?

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

The driving distance from Semnan (SNX) to Tehran (THR) is 155 miles / 250 kilometers, and travel time by car is about 3 hours 18 minutes.

Distance from Semnan to Tehran

There are several ways to calculate the distance from Semnan to Tehran. 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 Semnan to Tehran?

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

What is the time difference between Semnan and Tehran?

There is no time difference between Semnan and Tehran.

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

On average, flying from Semnan to Tehran 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 Semnan to Tehran

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

Airport information

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

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