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

Distance from Dewey, SD to Marble Falls, AR

Distance

986 mi

Time

18 hours 57 mins

Gas Cost

$92 - $179

There are 772.01 miles from Dewey to Marble Falls in southeast direction and 986 miles (1,586.81 kilometers) by car, following the I-80 route.

Dewey and Marble Falls are 18 hours 57 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Marble Falls, AR.

Please note the time difference between Dewey, SD and Marble Falls, AR is 1 hour. The current time in Dewey is 6:21 am and the current time in Marble Falls is 7:21 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Marble Falls, AR? 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 39.60 gallons of gas to cover the route between Dewey, SD and Marble Falls, AR.

The estimated cost of gas to go from Dewey to Marble Falls is $129.18.

During the route, an average car will release 775.89 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 Marble Falls, AR

If you want to meet halfway between Dewey, SD and Marble Falls, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.820533 and -97.921474, or 40º 49' 13.9188" N, 97º 55' 17.3064" W. This location is 493.05 miles away from Dewey, SD and Marble Falls, AR and it would take approximately 9 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hampton, NE, situated 445 miles from Dewey, SD and 515 miles from Marble Falls, AR. It would take 9 hours 16 mins to go from Dewey to Hampton and 9 hours 53 mins to go from Marble Falls to Hampton.