Air Miles Calculator

Distance between Sioux City, IA (SUX) and Grand Forks, ND (GFK)

Distance from Sioux City to Grand Forks (Sioux Gateway Airport – Grand Forks International Airport) is 385 miles / 620 kilometers / 335 nautical miles.

How far is Grand Forks from Sioux City?

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

Vincenty's formula (applied above)
  • 384.975 miles
  • 619.557 kilometers
  • 334.534 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
  • 385.169 miles
  • 619.870 kilometers
  • 334.703 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).

Flight duration

Estimated flight time from Sioux Gateway Airport (SUX) to Grand Forks International Airport (GFK) is 1 hour 13 minutes.

Time difference and current local times

There is no time difference between Sioux City and Grand Forks.

Time Difference

Sioux City
Grand Forks

Sioux City, IA

 CST

Grand Forks, ND

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 81 kg (179 pounds).

Airport information


A Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″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

Map

Sioux City to Grand Forks flight map.

Frequent Flyer Miles Calculator

Sioux City (SUX) → Grand Forks (GFK).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
385
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
385

Round trip?