Air Miles Calculator

Distance between Houston, TX (HOU) and Alpena, MI (APN)

Flight distance from Houston to Alpena (Houston William P. Hobby Airport – Alpena County Regional Airport) is 1242 miles / 1998 kilometers / 1079 nautical miles. Estimated flight time is 2 hours 51 minutes.

Driving distance from Houston (HOU) to Alpena (APN) is 1471 miles / 2368 kilometers and travel time by car is about 26 hours 37 minutes.

Map of flight path and driving directions from Houston to Alpena.

Shortest flight path between Houston William P. Hobby Airport (HOU) and Alpena County Regional Airport (APN).

How far is Alpena from Houston?

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

Vincenty's formula (applied above)
  • 1241.508 miles
  • 1998.014 kilometers
  • 1078.841 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
  • 1242.457 miles
  • 1999.540 kilometers
  • 1079.665 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 Houston William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″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 Houston and Alpena is 1 hour. Alpena is 1 hour ahead of Houston.

Time Difference

Houston, TX

 CST

Alpena, MI

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 163 kg (359 pounds).

Frequent Flyer Miles Calculator

Houston (HOU) → Alpena (APN).

Distance:
1242
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1242

Round trip?