Distance between cities › USA › South Dakota › Dewey, SD › Distance from Dewey to Tecumseh Book Hotels

Distance from Dewey, SD to Tecumseh, KS

Distance

714 mi

Time

13 hours 43 mins

Gas Cost

$67 - $129

There are 537.10 miles from Dewey to Tecumseh in southeast direction and 714 miles (1,149.07 kilometers) by car, following the I-80 route.

Dewey and Tecumseh are 13 hours 43 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Tecumseh, KS.

Please note the time difference between Dewey, SD and Tecumseh, KS is 1 hour. The current time in Dewey is 10:27 am and the current time in Tecumseh is 11:27 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Tecumseh, KS? 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 28.69 gallons of gas to cover the route between Dewey, SD and Tecumseh, KS.

The estimated cost of gas to go from Dewey to Tecumseh is $93.60.

During the route, an average car will release 562.18 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 Tecumseh, KS

If you want to meet halfway between Dewey, SD and Tecumseh, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.866153 and -100.035181, or 40º 51' 58.1508" N, 100º 2' 6.6516" W. This location is 357.24 miles away from Dewey, SD and Tecumseh, KS and it would take approximately 6 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Willow Island, NE, situated 357 miles from Dewey, SD and 360 miles from Tecumseh, KS. It would take 7 hours 15 mins to go from Dewey to Willow Island and 6 hours 35 mins to go from Tecumseh to Willow Island.