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

Distance from Dewey, SD to Ortley, SD

Distance

522 mi

Time

9 hours 36 mins

Gas Cost

$47 - $91

There are 359.80 miles from Dewey to Ortley in northeast direction and 522 miles (840.08 kilometers) by car, following the I-90 and US-14 route.

Dewey and Ortley are 9 hours 36 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Ortley, SD is 1 hour. The current time in Dewey is 3:02 am and the current time in Ortley is 4:02 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Ortley, 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 20.95 gallons of gas to cover the route between Dewey, SD and Ortley, SD.

The estimated cost of gas to go from Dewey to Ortley is $65.68.

During the route, an average car will release 410.44 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 Ortley, SD

If you want to meet halfway between Dewey, SD and Ortley, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.898129 and -100.150001, or 43º 53' 53.2644" N, 100º 9' 0.0036" W. This location is 260.82 miles away from Dewey, SD and Ortley, SD and it would take approximately 4 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Presho, SD, situated 259 miles from Dewey, SD and 264 miles from Ortley, SD. It would take 4 hours 58 mins to go from Dewey to Presho and 4 hours 42 mins to go from Ortley to Presho.