Distance between cities › USA › South Dakota › Custer, SD › Distance from Custer to Alva Book Hotels

Distance from Custer, SD to Alva, WY

Distance

115 mi

Time

2 hours 24 mins

Gas Cost

$10 - $20

There are 76.48 miles from Custer to Alva in northwest direction and 115 miles (185.07 kilometers) by car, following the US-16 route.

Custer and Alva are 2 hours 24 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Alva, WY. The halfway point is Four Corners, WY.

Custer, SD and Alva, WY are in the same time zone (MDT). Current time in both locations is 9:02 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Alva, WY? Here there are some offers to rent a car in Custer, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Custer »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 4.61 gallons of gas to cover the route between Custer, SD and Alva, WY.

The estimated cost of gas to go from Custer to Alva is $14.76.

During the route, an average car will release 90.24 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and Alva, WY

If you want to meet halfway between Custer, SD and Alva, WY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.106068 and -104.179153, or 44º 6' 21.8448" N, 104º 10' 44.9508" W. This location is 57.34 miles away from Custer, SD and Alva, WY and it would take approximately 1 hour 12 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Four Corners, WY, situated 53 miles from Custer, SD and 62 miles from Alva, WY. It would take 54 minutes to go from Custer to Four Corners and 1 hour 17 mins to go from Alva to Four Corners.