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

Distance from Custer, SD to Mauston, WI

Distance

740 mi

Time

12 hours 45 mins

Gas Cost

$69 - $134

There are 673.77 miles from Custer to Mauston in east direction and 740 miles (1,190.91 kilometers) by car, following the I-90 and US-14 route.

Custer and Mauston are 12 hours 45 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Mauston, WI. The halfway point is Hartford, SD.

Please note the time difference between Custer, SD and Mauston, WI is 1 hour. The current time in Custer is 2:47 am and the current time in Mauston is 3:47 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Mauston, WI? 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 29.73 gallons of gas to cover the route between Custer, SD and Mauston, WI.

The estimated cost of gas to go from Custer to Mauston is $96.99.

During the route, an average car will release 582.55 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and Mauston, WI

If you want to meet halfway between Custer, SD and Mauston, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.610699 and -96.899918, or 43º 36' 38.5164" N, 96º 53' 59.7048" W. This location is 370.19 miles away from Custer, SD and Mauston, WI and it would take approximately 6 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hartford, SD, situated 372 miles from Custer, SD and 372 miles from Mauston, WI. It would take 5 hours 8 mins to go from Custer to Hartford and 5 hours 24 mins to go from Mauston to Hartford.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and Mauston, WI is Sioux Falls, SD, situated 387 miles from Custer, SD and 363 miles from Mauston, WI. It would take 5 hours 21 mins to go from Custer to and 5 hours 18 mins to go from Mauston to Sioux Falls.