Distance between cities › USA › South Dakota › Keyapaha, SD › Distance from Keyapaha to Williamson Book Hotels

Distance from Keyapaha, SD to Williamson, PA

Distance

1,348 mi

Time

1 day 1 hour

Gas Cost

$126 - $244

There are 1,174.40 miles from Keyapaha to Williamson in east direction and 1,348 miles (2,169.40 kilometers) by car, following the I-76 and PATP route.

Keyapaha and Williamson are 1 day 1 hour far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Williamson, PA.

Please note the time difference between Keyapaha, SD and Williamson, PA is 1 hour. The current time in Keyapaha is 8:46 pm and the current time in Williamson is 9:46 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Williamson, PA? Here there are some offers to rent a car in Keyapaha, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Keyapaha »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 54.15 gallons of gas to cover the route between Keyapaha, SD and Williamson, PA.

The estimated cost of gas to go from Keyapaha to Williamson is $176.64.

During the route, an average car will release 1,060.92 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 Keyapaha, SD and Williamson, PA

If you want to meet halfway between Keyapaha, SD and Williamson, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.36557 and -89.114436, or 41º 21' 56.052" N, 89º 6' 51.9696" W. This location is 674.18 miles away from Keyapaha, SD and Williamson, PA and it would take approximately 12 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 Peru, IL, situated 671 miles from Keyapaha, SD and 681 miles from Williamson, PA. It would take 13 hours 15 mins to go from Keyapaha to Peru and 12 hours 49 mins to go from Williamson to Peru.