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

Flight distance from Sioux City to Grand Forks (Sioux Gateway Airport – Grand Forks International Airport) is 385 miles / 620 kilometers / 335 nautical miles. Estimated flight time is 1 hour 13 minutes.

Driving distance from Sioux City (SUX) to Grand Forks (GFK) is 410 miles / 660 kilometers and travel time by car is about 6 hours 26 minutes.

## Map of flight path and driving directions from Sioux City to Grand Forks.

Shortest flight path between Sioux Gateway Airport (SUX) and Grand Forks International Airport (GFK).

## 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).

## Airport information

A Sioux Gateway Airport
City: Sioux City, IA
Country: 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
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 Sioux City and Grand Forks.

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 82 kg (180 pounds).

## Frequent Flyer Miles Calculator

Sioux City (SUX) → Grand Forks (GFK).

Distance:
385
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
385

Round trip?