Distance between cities › USA › South Dakota › Armour, SD › Distance from Armour to Alpena Book Hotels

Distance from Armour, SD to Alpena, SD

Distance

68 mi

Time

1 hour 36 mins

Gas Cost

$6 - $12

There are 59.62 miles from Armour to Alpena in north direction and 68 miles (109.44 kilometers) by car, following the US-281 route.

Armour and Alpena are 1 hour 36 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to Alpena, SD. The halfway point is Plankinton, SD.

Armour, SD and Alpena, SD are in the same time zone (CDT). Current time in both locations is 7:32 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Alpena, SD? Here there are some offers to rent a car in Armour, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Armour »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 2.72 gallons of gas to cover the route between Armour, SD and Alpena, SD.

The estimated cost of gas to go from Armour to Alpena is $8.54.

During the route, an average car will release 53.34 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Armour, SD and Alpena, SD

If you want to meet halfway between Armour, SD and Alpena, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.762089 and -98.448227, or 43º 45' 43.5204" N, 98º 26' 53.6172" W. This location is 33.90 miles away from Armour, SD and Alpena, SD and it would take approximately 48 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Plankinton, SD, situated 32 miles from Armour, SD and 40 miles from Alpena, SD. It would take 42 minutes to go from Armour to Plankinton and 1 hour to go from Alpena to Plankinton.