# Distance between Rock Springs, WY (RKS) and Westerly, RI (WST)

Flight distance from Rock Springs to Westerly (Southwest Wyoming Regional Airport – Westerly State Airport) is 1919 miles / 3088 kilometers / 1667 nautical miles. Estimated flight time is 4 hours 7 minutes.

Driving distance from Rock Springs (RKS) to Westerly (WST) is 2123 miles / 3417 kilometers and travel time by car is about 36 hours 3 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Westerly State Airport (WST).

## How far is Westerly from Rock Springs?

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

Vincenty's formula (applied above)
• 1918.842 miles
• 3088.076 kilometers
• 1667.428 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
• 1913.883 miles
• 3080.097 kilometers
• 1663.119 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 Westerly State Airport
City: Westerly, RI
Country: United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″W

## Time difference and current local times

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

MDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 210 kg (463 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → Westerly (WST).

Distance:
1919
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1919

Round trip?