Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Alpena, MI (APN)

Flight distance from Rock Springs to Alpena (Southwest Wyoming Regional Airport – Alpena County Regional Airport) is 1302 miles / 2095 kilometers / 1131 nautical miles. Estimated flight time is 2 hours 57 minutes.

Driving distance from Rock Springs (RKS) to Alpena (APN) is 1614 miles / 2597 kilometers and travel time by car is about 27 hours 32 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Alpena County Regional Airport (APN).

How far is Alpena from Rock Springs?

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

Vincenty's formula (applied above)
  • 1301.820 miles
  • 2095.076 kilometers
  • 1131.250 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
  • 1298.473 miles
  • 2089.689 kilometers
  • 1128.342 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 Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

B Alpena County Regional Airport
City: Alpena, MI
Country: United States Flag of United States
IATA Code: APN
ICAO Code: KAPN
Coordinates: 45°4′41″N, 83°33′37″W

Time difference and current local times

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

Time Difference

Rock Springs, WY

 MDT

Alpena, MI

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 167 kg (368 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Alpena (APN).

Distance:
1302
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1302

Round trip?