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

Distance from Custer, SD to Darien, WI

Distance

862 mi

Time

15 hours 1 min

Gas Cost

$80 - $156

There are 753.50 miles from Custer to Darien in east direction and 862 miles (1,387.25 kilometers) by car, following the I-90 and US-14 route.

Custer and Darien are 15 hours 1 min far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Darien, WI. The halfway point is Rushmore, MN.

Please note the time difference between Custer, SD and Darien, WI is 1 hour. The current time in Custer is 2:47 am and the current time in Darien 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 Darien, 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 34.63 gallons of gas to cover the route between Custer, SD and Darien, WI.

The estimated cost of gas to go from Custer to Darien is $112.96.

During the route, an average car will release 678.45 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 Darien, WI

If you want to meet halfway between Custer, SD and Darien, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.627075 and -95.835472, or 43º 37' 37.47" N, 95º 50' 7.6992" W. This location is 431.13 miles away from Custer, SD and Darien, WI and it would take approximately 7 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rushmore, MN, situated 431 miles from Custer, SD and 444 miles from Darien, WI. It would take 5 hours 58 mins to go from Custer to Rushmore and 6 hours 32 mins to go from Darien to Rushmore.