Distance between cities › USA › Missouri › Williamstown, MO › Distance from Williamstown to Keldron Book Hotels

Distance from Williamstown, MO to Keldron, SD

Distance

837 mi

Time

15 hours 56 mins

Gas Cost

$78 - $152

There are 639.39 miles from Williamstown to Keldron in northwest direction and 837 miles (1,347.02 kilometers) by car, following the I-29 route.

Williamstown and Keldron are 15 hours 56 mins far apart, if you drive non-stop .

This is the fastest route from Williamstown, MO to Keldron, SD.

Please note the time difference between Williamstown, MO and Keldron, SD is 1 hour. The current time in Williamstown is 4:08 pm and the current time in Keldron is 3:08 pm.

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Lowest Price Rental Cars in Williamstown, MO

Planning on renting a car to go from Williamstown, MO to Keldron, SD? Here there are some offers to rent a car in Williamstown, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williamstown »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 33.60 gallons of gas to cover the route between Williamstown, MO and Keldron, SD.

The estimated cost of gas to go from Williamstown to Keldron is $109.60.

During the route, an average car will release 658.29 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 Williamstown, MO and Keldron, SD

If you want to meet halfway between Williamstown, MO and Keldron, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.165158 and -96.795485, or 43º 9' 54.5688" N, 96º 47' 43.746" W. This location is 418.32 miles away from Williamstown, MO and Keldron, SD and it would take approximately 7 hours 58 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Beresford, SD, situated 424 miles from Williamstown, MO and 416 miles from Keldron, SD. It would take 8 hours 30 mins to go from Williamstown to Beresford and 7 hours 31 mins to go from Keldron to Beresford.

Major City Closest to Halfway Point

The major city closest to the halfway point between Williamstown, MO and Keldron, SD is Sioux Falls, SD, situated 457 miles from Williamstown, MO and 384 miles from Keldron, SD. It would take 9 hours 5 mins to go from Williamstown to Sioux Falls and 7 hours 3 mins to go from Keldron to Sioux Falls.