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

Distance from Custer, SD to Antonino, KS

Distance

529 mi

Time

10 hours 22 mins

Gas Cost

$48 - $94

There are 407.59 miles from Custer to Antonino in southeast direction and 529 miles (851.34 kilometers) by car, following the I-80 route.

Custer and Antonino are 10 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Antonino, KS. The halfway point is Watkins, CO.

Please note the time difference between Custer, SD and Antonino, KS is 1 hour. The current time in Custer is 9:07 pm and the current time in Antonino is 10:07 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Antonino, KS? 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 21.26 gallons of gas to cover the route between Custer, SD and Antonino, KS.

The estimated cost of gas to go from Custer to Antonino is $68.13.

During the route, an average car will release 416.60 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 Antonino, KS

If you want to meet halfway between Custer, SD and Antonino, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.738239 and -104.628204, or 39º 44' 17.6604" N, 104º 37' 41.5344" W. This location is 264.74 miles away from Custer, SD and Antonino, KS and it would take approximately 5 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Watkins, CO, situated 380 miles from Custer, SD and 326 miles from Antonino, KS. It would take 5 hours 41 mins to go from Custer to Watkins and 4 hours 36 mins to go from Antonino to Watkins.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and Antonino, KS is Denver, CO, situated 366 miles from Custer, SD and 349 miles from Antonino, KS. It would take 5 hours 32 mins to go from Custer to and 5 hours 3 mins to go from Antonino to Denver.