How far is Alpena, MI, from Riverton, WY?
The distance between Riverton (Central Wyoming Regional Airport) and Alpena (Alpena County Regional Airport) is 1242 miles / 1999 kilometers / 1079 nautical miles.
The driving distance from Riverton (RIW) to Alpena (APN) is 1555 miles / 2502 kilometers, and travel time by car is about 30 hours 2 minutes.
Central Wyoming Regional Airport – Alpena County Regional Airport
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Distance from Riverton to Alpena
There are several ways to calculate the distance from Riverton to Alpena. Here are two standard methods:
Vincenty's formula (applied above)- 1242.265 miles
- 1999.231 kilometers
- 1079.499 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1238.920 miles
- 1993.849 kilometers
- 1076.592 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).
How long does it take to fly from Riverton to Alpena?
The estimated flight time from Central Wyoming Regional Airport to Alpena County Regional Airport is 2 hours and 51 minutes.
What is the time difference between Riverton and Alpena?
The time difference between Riverton and Alpena is 2 hours. Alpena is 2 hours ahead of Riverton.
Flight carbon footprint between Central Wyoming Regional Airport (RIW) and Alpena County Regional Airport (APN)
On average, flying from Riverton to Alpena generates about 163 kg of CO2 per passenger, and 163 kilograms equals 360 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Riverton to Alpena
See the map of the shortest flight path between Central Wyoming Regional Airport (RIW) and Alpena County Regional Airport (APN).
Airport information
| Origin | Central Wyoming Regional Airport |
|---|---|
| City: | Riverton, WY |
| Country: | United States  |
| IATA Code: | RIW |
| ICAO Code: | KRIW |
| Coordinates: | 43°3′51″N, 108°27′35″W |
| Destination | Alpena County Regional Airport |
|---|---|
| City: | Alpena, MI |
| Country: | United States |
| IATA Code: | APN |
| ICAO Code: | KAPN |
| Coordinates: | 45°4′41″N, 83°33′37″W |