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

Distance from Dewey, SD to Siler, KY

Distance

1,488 mi

Time

1 day 2 hours

Gas Cost

$139 - $270

There are 1,157.66 miles from Dewey to Siler in southeast direction and 1,488 miles (2,394.70 kilometers) by car, following the I-90 and US-14 route.

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

This is the fastest route from Dewey, SD to Siler, KY.

Please note the time difference between Dewey, SD and Siler, KY is 2 hours. The current time in Dewey is 3:38 am and the current time in Siler is 5:38 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Siler, KY? 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 59.75 gallons of gas to cover the route between Dewey, SD and Siler, KY.

The estimated cost of gas to go from Dewey to Siler is $194.90.

During the route, an average car will release 1,170.61 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 Siler, KY

If you want to meet halfway between Dewey, SD and Siler, KY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.661747 and -93.488684, or 41º 39' 42.2892" N, 93º 29' 19.2624" W. This location is 743.88 miles away from Dewey, SD and Siler, KY and it would take approximately 13 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Altoona, IA, situated 723 miles from Dewey, SD and 764 miles from Siler, KY. It would take 12 hours 54 mins to go from Dewey to Altoona and 14 hours 12 mins to go from Siler to Altoona.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Siler, KY is Des Moines, IA, situated 715 miles from Dewey, SD and 773 miles from Siler, KY. It would take 12 hours 40 mins to go from Dewey to Des Moines and 14 hours 23 mins to go from Siler to Des Moines.