# Distance between Washington D.C. (IAD) and Rock Springs, WY (RKS)

Flight distance from Washington D.C. to Rock Springs (Washington Dulles International Airport – Southwest Wyoming Regional Airport) is 1671 miles / 2689 kilometers / 1452 nautical miles. Estimated flight time is 3 hours 39 minutes.

Driving distance from Washington D.C. (IAD) to Rock Springs (RKS) is 1891 miles / 3043 kilometers and travel time by car is about 31 hours 45 minutes.

## Map of flight path and driving directions from Washington D.C. to Rock Springs.

Shortest flight path between Washington Dulles International Airport (IAD) and Southwest Wyoming Regional Airport (RKS).

## How far is Rock Springs from Washington D.C.?

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

Vincenty's formula (applied above)
• 1671.177 miles
• 2689.498 kilometers
• 1452.213 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
• 1667.053 miles
• 2682.861 kilometers
• 1448.629 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States
Coordinates: 38°56′40″N, 77°27′20″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 Washington D.C. and Rock Springs is 2 hours. Rock Springs is 2 hours behind Washington D.C..

EST

MST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 191 kg (420 pounds).

## Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Rock Springs (RKS).

Distance:
1671
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1671

Round trip?