Air Miles Calculator logo

How far is Heihe from Cotonou?

The distance between Cotonou (Cadjehoun Airport) and Heihe (Heihe Aihui Airport) is 7346 miles / 11822 kilometers / 6383 nautical miles.

Cadjehoun Airport – Heihe Aihui Airport

Distance arrow
7346
Miles
Distance arrow
11822
Kilometers
Distance arrow
6383
Nautical miles

Search flights

Distance from Cotonou to Heihe

There are several ways to calculate the distance from Cotonou to Heihe. Here are two standard methods:

Vincenty's formula (applied above)
  • 7345.927 miles
  • 11822.123 kilometers
  • 6383.436 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
  • 7339.363 miles
  • 11811.559 kilometers
  • 6377.732 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 Cotonou to Heihe?

The estimated flight time from Cadjehoun Airport to Heihe Aihui Airport is 14 hours and 24 minutes.

Flight carbon footprint between Cadjehoun Airport (COO) and Heihe Aihui Airport (HEK)

On average, flying from Cotonou to Heihe generates about 904 kg of CO2 per passenger, and 904 kilograms equals 1 993 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cotonou to Heihe

See the map of the shortest flight path between Cadjehoun Airport (COO) and Heihe Aihui Airport (HEK).

Airport information

Origin Cadjehoun Airport
City: Cotonou
Country: Benin Flag of Benin
IATA Code: COO
ICAO Code: DBBB
Coordinates: 6°21′26″N, 2°23′3″E
Destination Heihe Aihui Airport
City: Heihe
Country: China Flag of China
IATA Code: HEK
ICAO Code: ZYHE
Coordinates: 50°10′17″N, 127°18′31″E