Air Miles Calculator

Distance between St Louis, MO (STL) and Grand Forks, ND (GFK)

Flight distance from St Louis to Grand Forks (St. Louis Lambert International Airport – Grand Forks International Airport) is 721 miles / 1161 kilometers / 627 nautical miles. Estimated flight time is 1 hour 51 minutes.

Driving distance from St Louis (STL) to Grand Forks (GFK) is 914 miles / 1471 kilometers and travel time by car is about 15 hours 7 minutes.

Map of flight path and driving directions from St Louis to Grand Forks.

Shortest flight path between St. Louis Lambert International Airport (STL) and Grand Forks International Airport (GFK).

How far is Grand Forks from St Louis?

There are several ways to calculate distances between St Louis and Grand Forks. Here are two common methods:

Vincenty's formula (applied above)
  • 721.109 miles
  • 1160.513 kilometers
  • 626.627 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
  • 721.156 miles
  • 1160.588 kilometers
  • 626.667 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).

Airport information


A St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B Grand Forks International Airport
City: Grand Forks, ND
Country: United States Flag of United States
IATA Code: GFK
ICAO Code: KGFK
Coordinates: 47°56′57″N, 97°10′33″W

Time difference and current local times

There is no time difference between St Louis and Grand Forks.

Time Difference

St Louis, MO

 CST

Grand Forks, ND

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 127 kg (280 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Grand Forks (GFK).

Distance:
721
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
721

Round trip?