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

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

Driving distance from Rock Springs (RKS) to South Bend (SBN) is 1286 miles / 2069 kilometers and travel time by car is about 21 hours 14 minutes.

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

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

## How far is South Bend from Rock Springs?

There are several ways to calculate distances between Rock Springs and South Bend. 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 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

B 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

## Time difference and current local times

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

MDT

EDT

## Carbon dioxide emissions

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

## Frequent Flyer Miles Calculator

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

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

### In total

Total frequent flyer miles:
1174

Round trip?