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

Distance from Armour, SD to Amherst, SD

Distance

201 mi

Time

4 hours 31 mins

Gas Cost

$18 - $35

There are 168.47 miles from Armour to Amherst in north direction and 201 miles (323.48 kilometers) by car, following the US-281 route.

Armour and Amherst are 4 hours 31 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to Amherst, SD. The halfway point is Redfield, SD.

Armour, SD and Amherst, SD are in the same time zone (CDT). Current time in both locations is 4:24 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Amherst, 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 8.07 gallons of gas to cover the route between Armour, SD and Amherst, SD.

The estimated cost of gas to go from Armour to Amherst is $25.30.

During the route, an average car will release 158.09 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 Amherst, SD

If you want to meet halfway between Armour, SD and Amherst, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.838333 and -98.523651, or 44º 50' 17.9988" N, 98º 31' 25.1436" W. This location is 100.46 miles away from Armour, SD and Amherst, SD and it would take approximately 2 hours 15 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Redfield, SD, situated 112 miles from Armour, SD and 97 miles from Amherst, SD. It would take 2 hours 31 mins to go from Armour to Redfield and 2 hours 7 mins to go from Amherst to Redfield.