Distance between cities › USA › Missouri › Henley, MO › Distance from Henley to Dewey Book Hotels

Distance from Henley, MO to Dewey, SD

Distance

912 mi

Time

17 hours 26 mins

Gas Cost

$85 - $165

There are 707.90 miles from Henley to Dewey in northwest direction and 912 miles (1,467.72 kilometers) by car, following the I-80 route.

Henley and Dewey are 17 hours 26 mins far apart, if you drive non-stop .

This is the fastest route from Henley, MO to Dewey, SD.

Please note the time difference between Henley, MO and Dewey, SD is 1 hour. The current time in Henley is 7:19 am and the current time in Dewey is 6:19 am.

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Lowest Price Rental Cars in Henley, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Henley »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 36.62 gallons of gas to cover the route between Henley, MO and Dewey, SD.

The estimated cost of gas to go from Henley to Dewey is $119.45.

During the route, an average car will release 717.43 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 Henley, MO and Dewey, SD

If you want to meet halfway between Henley, MO and Dewey, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.8213 and -98.304524, or 40º 49' 16.68" N, 98º 18' 16.2864" W. This location is 455.90 miles away from Henley, MO and Dewey, SD and it would take approximately 8 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Doniphan, NE, situated 466 miles from Henley, MO and 454 miles from Dewey, SD. It would take 8 hours 47 mins to go from Henley to Doniphan and 8 hours 51 mins to go from Dewey to Doniphan.