Map of flight path and driving directions from South Bend to Grand Forks.
Shortest flight path between South Bend International Airport (SBN) and Grand Forks International Airport (GFK).
How far is Grand Forks from South Bend?
There are several ways to calculate distances between South Bend and Grand Forks. Here are two common methods:Vincenty's formula (applied above)
- 684.741 miles
- 1101.984 kilometers
- 595.024 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
- 683.756 miles
- 1100.398 kilometers
- 594.168 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
The time difference between South Bend and Grand Forks is 1 hour. Grand Forks is 1 hour behind South Bend.
South Bend, IN
Grand Forks, ND
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 123 kg (271 pounds).
Frequent Flyer Miles Calculator
South Bend (SBN) → Grand Forks (GFK).