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How far is Biratnagar from Naha?

The distance between Naha (Naha Airport) and Biratnagar (Biratnagar Airport) is 2494 miles / 4014 kilometers / 2168 nautical miles.

The driving distance from Naha (OKA) to Biratnagar (BIR) is 4543 miles / 7311 kilometers, and travel time by car is about 212 hours 28 minutes.

Naha Airport – Biratnagar Airport

Distance arrow
2494
Miles
Distance arrow
4014
Kilometers
Distance arrow
2168
Nautical miles
Flight time duration
5 h 13 min
Time Difference
3 h 15 min
CO2 emission
275 kg

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Distance from Naha to Biratnagar

There are several ways to calculate the distance from Naha to Biratnagar. Here are two standard methods:

Vincenty's formula (applied above)
  • 2494.384 miles
  • 4014.323 kilometers
  • 2167.561 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
  • 2489.958 miles
  • 4007.198 kilometers
  • 2163.714 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 Naha to Biratnagar?

The estimated flight time from Naha Airport to Biratnagar Airport is 5 hours and 13 minutes.

Flight carbon footprint between Naha Airport (OKA) and Biratnagar Airport (BIR)

On average, flying from Naha to Biratnagar generates about 275 kg of CO2 per passenger, and 275 kilograms equals 605 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Naha to Biratnagar

See the map of the shortest flight path between Naha Airport (OKA) and Biratnagar Airport (BIR).

Airport information

Origin Naha Airport
City: Naha
Country: Japan Flag of Japan
IATA Code: OKA
ICAO Code: ROAH
Coordinates: 26°11′44″N, 127°38′45″E
Destination Biratnagar Airport
City: Biratnagar
Country: Nepal Flag of Nepal
IATA Code: BIR
ICAO Code: VNVT
Coordinates: 26°28′53″N, 87°15′50″E