Map of flight path and driving directions from Belfast to Donegal.
Shortest flight path between Belfast International Airport (BFS) and Donegal Airport (CFN).
How far is Donegal from Belfast?
There are several ways to calculate distances between Belfast and Donegal. Here are two common methods:Vincenty's formula (applied above)
- 88.932 miles
- 143.123 kilometers
- 77.280 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 88.652 miles
- 142.671 kilometers
- 77.036 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).
Time difference and current local times
There is no time difference between Belfast and Donegal.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 38 kg (84 pounds).
Frequent Flyer Miles Calculator
Belfast (BFS) → Donegal (CFN).