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How far is Sylhet from Dehradun?

The distance between Dehradun (Dehradun Airport) and Sylhet (Osmani International Airport) is 913 miles / 1469 kilometers / 793 nautical miles.

The driving distance from Dehradun (DED) to Sylhet (ZYL) is 1276 miles / 2053 kilometers, and travel time by car is about 25 hours 3 minutes.

Dehradun Airport – Osmani International Airport

Distance arrow
913
Miles
Distance arrow
1469
Kilometers
Distance arrow
793
Nautical miles
Flight time duration
2 h 13 min
CO2 emission
145 kg

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Distance from Dehradun to Sylhet

There are several ways to calculate the distance from Dehradun to Sylhet. Here are two standard methods:

Vincenty's formula (applied above)
  • 912.738 miles
  • 1468.909 kilometers
  • 793.147 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
  • 911.814 miles
  • 1467.423 kilometers
  • 792.345 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 Dehradun to Sylhet?

The estimated flight time from Dehradun Airport to Osmani International Airport is 2 hours and 13 minutes.

Flight carbon footprint between Dehradun Airport (DED) and Osmani International Airport (ZYL)

On average, flying from Dehradun to Sylhet generates about 145 kg of CO2 per passenger, and 145 kilograms equals 319 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dehradun to Sylhet

See the map of the shortest flight path between Dehradun Airport (DED) and Osmani International Airport (ZYL).

Airport information

Origin Dehradun Airport
City: Dehradun
Country: India Flag of India
IATA Code: DED
ICAO Code: VIDN
Coordinates: 30°11′22″N, 78°10′49″E
Destination Osmani International Airport
City: Sylhet
Country: Bangladesh Flag of Bangladesh
IATA Code: ZYL
ICAO Code: VGSY
Coordinates: 24°57′47″N, 91°52′0″E