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

Distance from Custer, SD to Combined Locks, WI

Distance

849 mi

Time

15 hours 20 mins

Gas Cost

$79 - $154

There are 759.15 miles from Custer to Combined Locks in east direction and 849 miles (1,366.33 kilometers) by car, following the I-90 and US-14 route.

Custer and Combined Locks are 15 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Combined Locks, WI. The halfway point is Adrian, MN.

Please note the time difference between Custer, SD and Combined Locks, WI is 1 hour. The current time in Custer is 2:47 am and the current time in Combined Locks 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 Combined Locks, 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 34.08 gallons of gas to cover the route between Custer, SD and Combined Locks, WI.

The estimated cost of gas to go from Custer to Combined Locks is $111.16.

During the route, an average car will release 667.64 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 Combined Locks, WI

If you want to meet halfway between Custer, SD and Combined Locks, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.641773 and -95.929573, or 43º 38' 30.3828" N, 95º 55' 46.4628" W. This location is 424.26 miles away from Custer, SD and Combined Locks, WI and it would take approximately 7 hours 40 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 423 miles from Custer, SD and 430 miles from Combined Locks, WI. It would take 5 hours 48 mins to go from Custer to Adrian and 7 hours 4 mins to go from Combined Locks to Adrian.