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

Distance from Custer, SD to Avoca, WI

Distance

756 mi

Time

13 hours 42 mins

Gas Cost

$69 - $135

There are 666.09 miles from Custer to Avoca in east direction and 756 miles (1,216.66 kilometers) by car, following the I-90 and US-14 route.

Custer and Avoca are 13 hours 42 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Avoca, WI. The halfway point is Buffalo Ridge, SD.

Please note the time difference between Custer, SD and Avoca, WI is 1 hour. The current time in Custer is 11:50 pm (Mar 11) and the current time in Avoca is 12:50 am (Mar 12).

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Avoca, 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 30.35 gallons of gas to cover the route between Custer, SD and Avoca, WI.

The estimated cost of gas to go from Custer to Avoca is $97.24.

During the route, an average car will release 594.60 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 Avoca, WI

If you want to meet halfway between Custer, SD and Avoca, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.612415 and -96.787453, or 43º 36' 44.694" N, 96º 47' 14.8308" W. This location is 377.85 miles away from Custer, SD and Avoca, WI and it would take approximately 6 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo Ridge, SD, situated 377 miles from Custer, SD and 389 miles from Avoca, WI. It would take 5 hours 13 mins to go from Custer to Buffalo Ridge and 6 hours 15 mins to go from Avoca to Buffalo Ridge.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and Avoca, WI is Sioux Falls, SD, situated 387 miles from Custer, SD and 387 miles from Avoca, WI. It would take 5 hours 21 mins to go from Custer to and 6 hours 15 mins to go from Avoca to Sioux Falls.