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

Distance from Custer, SD to Delavan, WI

Distance

863 mi

Time

15 hours 3 mins

Gas Cost

$80 - $156

There are 756.27 miles from Custer to Delavan in east direction and 863 miles (1,388.86 kilometers) by car, following the I-90 and US-14 route.

Custer and Delavan are 15 hours 3 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Delavan, WI.

Please note the time difference between Custer, SD and Delavan, WI is 1 hour. The current time in Custer is 2:44 am and the current time in Delavan is 3:44 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Delavan, 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 34.66 gallons of gas to cover the route between Custer, SD and Delavan, WI.

The estimated cost of gas to go from Custer to Delavan is $113.07.

During the route, an average car will release 679.10 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 Delavan, WI

If you want to meet halfway between Custer, SD and Delavan, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.637866 and -95.893043, or 43º 38' 16.3176" N, 95º 53' 34.9548" W. This location is 431.54 miles away from Custer, SD and Delavan, WI and it would take approximately 7 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Adrian, MN, situated 422 miles from Custer, SD and 442 miles from Delavan, WI. It would take 7 hours 3 mins to go from Custer to Adrian and 8 hours 3 mins to go from Delavan to Adrian.