# Distance between Sioux City, IA (SUX) and Alpena, MI (APN)

Flight distance from Sioux City to Alpena (Sioux Gateway Airport – Alpena County Regional Airport) is 667 miles / 1074 kilometers / 580 nautical miles. Estimated flight time is 1 hour 45 minutes.

Driving distance from Sioux City (SUX) to Alpena (APN) is 924 miles / 1487 kilometers and travel time by car is about 16 hours 43 minutes.

## Map of flight path and driving directions from Sioux City to Alpena.

Shortest flight path between Sioux Gateway Airport (SUX) and Alpena County Regional Airport (APN).

## How far is Alpena from Sioux City?

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

Vincenty's formula (applied above)
• 667.126 miles
• 1073.635 kilometers
• 579.717 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
• 665.493 miles
• 1071.008 kilometers
• 578.298 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 Sioux Gateway Airport
City: Sioux City, IA
Country: United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″W

B 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

## Time difference and current local times

The time difference between Sioux City and Alpena is 1 hour. Alpena is 1 hour ahead of Sioux City.

CST

EST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 121 kg (266 pounds).

## Frequent Flyer Miles Calculator

Sioux City (SUX) → Alpena (APN).

Distance:
667
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
667

Round trip?