# Distance between South Bend, IN (SBN) and Rock Springs, WY (RKS)

Flight distance from South Bend to Rock Springs (South Bend International Airport – Southwest Wyoming Regional Airport) is 1174 miles / 1889 kilometers / 1020 nautical miles. Estimated flight time is 2 hours 43 minutes.

Driving distance from South Bend (SBN) to Rock Springs (RKS) is 1286 miles / 2070 kilometers and travel time by car is about 21 hours 11 minutes.

## Map of flight path and driving directions from South Bend to Rock Springs.

Shortest flight path between South Bend International Airport (SBN) and Southwest Wyoming Regional Airport (RKS).

## How far is Rock Springs from South Bend?

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

Vincenty's formula (applied above)
• 1174.028 miles
• 1889.415 kilometers
• 1020.203 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
• 1170.981 miles
• 1884.512 kilometers
• 1017.555 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 South Bend International Airport
City: South Bend, IN
Country: United States
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″W

B 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

## Time difference and current local times

The time difference between South Bend and Rock Springs is 2 hours. Rock Springs is 2 hours behind South Bend.

EDT

MDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 160 kg (353 pounds).

## Frequent Flyer Miles Calculator

South Bend (SBN) → Rock Springs (RKS).

Distance:
1174
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1174

Round trip?