Distance between cities › USA › South Dakota › Marvin, SD › Distance from Marvin to Dewar Book Hotels

Distance from Marvin, SD to Dewar, OK

Distance

749 mi

Time

14 hours 4 mins

Gas Cost

$70 - $136

There are 679.25 miles from Marvin to Dewar in south direction and 749 miles (1,205.40 kilometers) by car, following the I-29 and US-81 route.

Marvin and Dewar are 14 hours 4 mins far apart, if you drive non-stop .

This is the fastest route from Marvin, SD to Dewar, OK.

Marvin, SD and Dewar, OK are in the same time zone (CDT). Current time in both locations is 2:25 am.

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Lowest Price Rental Cars in Marvin, SD

Planning on renting a car to go from Marvin, SD to Dewar, OK? Here there are some offers to rent a car in Marvin, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Marvin »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 30.10 gallons of gas to cover the route between Marvin, SD and Dewar, OK.

The estimated cost of gas to go from Marvin to Dewar is $98.17.

During the route, an average car will release 589.62 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 Marvin, SD and Dewar, OK

If you want to meet halfway between Marvin, SD and Dewar, OK or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.558678 and -95.859252, or 40º 33' 31.2408" N, 95º 51' 33.3072" W. This location is 374.68 miles away from Marvin, SD and Dewar, OK and it would take approximately 7 hours 2 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Julian, NE, situated 372 miles from Marvin, SD and 378 miles from Dewar, OK. It would take 6 hours 23 mins to go from Marvin to Julian and 7 hours 42 mins to go from Dewar to Julian.