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

Distance from Custer, SD to Rock, KS

Distance

720 mi

Time

13 hours 44 mins

Gas Cost

$67 - $131

There are 556.92 miles from Custer to Rock in southeast direction and 720 miles (1,158.73 kilometers) by car, following the I-80 route.

Custer and Rock are 13 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Rock, KS. The halfway point is Burwell, NE.

Please note the time difference between Custer, SD and Rock, KS is 1 hour. The current time in Custer is 2:48 am and the current time in Rock is 3:48 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Rock, 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 28.93 gallons of gas to cover the route between Custer, SD and Rock, KS.

The estimated cost of gas to go from Custer to Rock is $94.36.

During the route, an average car will release 566.74 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 Rock, KS

If you want to meet halfway between Custer, SD and Rock, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.768303 and -99.142632, or 41º 46' 5.8908" N, 99º 8' 33.4752" W. This location is 360.14 miles away from Custer, SD and Rock, KS and it would take approximately 6 hours 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Burwell, NE, situated 350 miles from Custer, SD and 391 miles from Rock, KS. It would take 6 hours 9 mins to go from Custer to Burwell and 5 hours 58 mins to go from Rock to Burwell.