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

Distance from Dewey, SD to Ramona, SD

Distance

437 mi

Time

8 hours 12 mins

Gas Cost

$39 - $76

There are 342.51 miles from Dewey to Ramona in east direction and 437 miles (703.28 kilometers) by car, following the I-90 and US-14 route.

Dewey and Ramona are 8 hours 12 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Ramona, SD.

Please note the time difference between Dewey, SD and Ramona, SD is 1 hour. The current time in Dewey is 3:12 am and the current time in Ramona is 4:12 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Ramona, SD? 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 17.53 gallons of gas to cover the route between Dewey, SD and Ramona, SD.

The estimated cost of gas to go from Dewey to Ramona is $54.96.

During the route, an average car will release 343.47 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 $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Dewey, SD and Ramona, SD

If you want to meet halfway between Dewey, SD and Ramona, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.88657 and -100.76295, or 43º 53' 11.652" N, 100º 45' 46.62" W. This location is 218.27 miles away from Dewey, SD and Ramona, SD and it would take approximately 4 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Murdo, SD, situated 225 miles from Dewey, SD and 212 miles from Ramona, SD. It would take 4 hours 26 mins to go from Dewey to Murdo and 3 hours 49 mins to go from Ramona to Murdo.