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

Distance from Custer, SD to New Post, WI

Distance

763 mi

Time

14 hours 24 mins

Gas Cost

$71 - $138

There are 625.06 miles from Custer to New Post in northeast direction and 763 miles (1,227.93 kilometers) by car, following the I-90 and US-14 route.

Custer and New Post are 14 hours 24 mins far apart, if you drive non-stop .

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

Please note the time difference between Custer, SD and New Post, WI is 1 hour. The current time in Custer is 5:32 am and the current time in New Post is 6:32 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to New Post, 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 30.63 gallons of gas to cover the route between Custer, SD and New Post, WI.

The estimated cost of gas to go from Custer to New Post is $99.91.

During the route, an average car will release 600.06 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 New Post, WI

If you want to meet halfway between Custer, SD and New Post, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.609653 and -96.980270, or 43º 36' 34.7508" N, 96º 58' 48.972" W. This location is 381.32 miles away from Custer, SD and New Post, WI and it would take approximately 7 hours 12 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 392 miles from New Post, WI. It would take 5 hours 8 mins to go from Custer to Hartford and 6 hours 54 mins to go from New Post to Hartford.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and New Post, WI is Sioux Falls, SD, situated 387 miles from Custer, SD and 383 miles from New Post, WI. It would take 5 hours 21 mins to go from Custer to and 6 hours 48 mins to go from New Post to Sioux Falls.