Distance between cities › USA › Maryland › Chillum, MD › Distance from Chillum to Keystone Book Hotels

Distance from Chillum, MD to Keystone, SD

Distance

1,625 mi

Time

1 day 5 hours

Gas Cost

$153 - $297

There are 1,404.22 miles from Chillum to Keystone in northwest direction and 1,625 miles (2,615.18 kilometers) by car, following the I-90 route.

Chillum and Keystone are 1 day 5 hours far apart, if you drive non-stop .

This is the fastest route from Chillum, MD to Keystone, SD.

Please note the time difference between Chillum, MD and Keystone, SD is 2 hours. The current time in Chillum is 2:50 am and the current time in Keystone is 12:50 am.

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Lowest Price Rental Cars in Chillum, MD

Planning on renting a car to go from Chillum, MD to Keystone, SD? Here there are some offers to rent a car in Chillum, MD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Chillum »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 65.28 gallons of gas to cover the route between Chillum, MD and Keystone, SD.

The estimated cost of gas to go from Chillum to Keystone is $214.82.

During the route, an average car will release 1,278.88 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Chillum, MD and Keystone, SD

If you want to meet halfway between Chillum, MD and Keystone, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.199139 and -89.349022, or 43º 11' 56.9004" N, 89º 20' 56.4792" W. This location is 812.68 miles away from Chillum, MD and Keystone, SD and it would take approximately 14 hours 39 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is De Forest, WI, situated 848 miles from Chillum, MD and 779 miles from Keystone, SD. It would take 16 hours 4 mins to go from Chillum to De Forest and 13 hours 21 mins to go from Keystone to De Forest.

Major City Closest to Halfway Point

The major city closest to the halfway point between Chillum, MD and Keystone, SD is Madison, WI, situated 841 miles from Chillum, MD and 792 miles from Keystone, SD. It would take 16 hours 1 min to go from Chillum to Madison and 13 hours 46 mins to go from Keystone to Madison.