# Distance between Rock Springs, WY (RKS) and Grand Island, NE (GRI)

Flight distance from Rock Springs to Grand Island (Southwest Wyoming Regional Airport – Central Nebraska Regional Airport) is 561 miles / 903 kilometers / 488 nautical miles. Estimated flight time is 1 hour 33 minutes.

Driving distance from Rock Springs (RKS) to Grand Island (GRI) is 621 miles / 999 kilometers and travel time by car is about 9 hours 51 minutes.

## Map of flight path and driving directions from Rock Springs to Grand Island.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Central Nebraska Regional Airport (GRI).

## How far is Grand Island from Rock Springs?

There are several ways to calculate distances between Rock Springs and Grand Island. Here are two common methods:

Vincenty's formula (applied above)
• 561.191 miles
• 903.150 kilometers
• 487.662 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
• 559.759 miles
• 900.846 kilometers
• 486.418 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 Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

City: Grand Island, NE
Country: United States
IATA Code: GRI
ICAO Code: KGRI
Coordinates: 40°58′2″N, 98°18′34″W

## Time difference and current local times

The time difference between Rock Springs and Grand Island is 1 hour. Grand Island is 1 hour ahead of Rock Springs.

MDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 108 kg (237 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → Grand Island (GRI).

Distance:
561
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
561

Round trip?