Distance between cities › USA › South Dakota › Dewey, SD › Distance from Dewey to Upper Saint Clair Book Hotels

Distance from Dewey, SD to Upper Saint Clair, PA

Distance

1,474 mi

Time

1 day 2 hours

Gas Cost

$137 - $267

There are 1,246.68 miles from Dewey to Upper Saint Clair in east direction and 1,474 miles (2,372.17 kilometers) by car, following the I-90 and US-14 route.

Dewey and Upper Saint Clair are 1 day 2 hours far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Upper Saint Clair, PA.

Please note the time difference between Dewey, SD and Upper Saint Clair, PA is 2 hours. The current time in Dewey is 3:13 am and the current time in Upper Saint Clair is 5:13 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Upper Saint Clair, PA? Here there are some offers to rent a car in Dewey, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dewey »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 59.19 gallons of gas to cover the route between Dewey, SD and Upper Saint Clair, PA.

The estimated cost of gas to go from Dewey to Upper Saint Clair is $193.08.

During the route, an average car will release 1,159.69 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 Dewey, SD and Upper Saint Clair, PA

If you want to meet halfway between Dewey, SD and Upper Saint Clair, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.918553 and -91.376362, or 43º 55' 6.7908" N, 91º 22' 34.9032" W. This location is 736.94 miles away from Dewey, SD and Upper Saint Clair, PA and it would take approximately 13 hours 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dakota, MN, situated 715 miles from Dewey, SD and 760 miles from Upper Saint Clair, PA. It would take 12 hours 42 mins to go from Dewey to Dakota and 14 hours 6 mins to go from Upper Saint Clair to Dakota.