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

Distance from Dewey, SD to Smithfield, NE

Distance

390 mi

Time

7 hours 51 mins

Gas Cost

$36 - $71

There are 300.62 miles from Dewey to Smithfield in southeast direction and 390 miles (627.64 kilometers) by car, following the US-26 route.

Dewey and Smithfield are 7 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Smithfield, NE.

Please note the time difference between Dewey, SD and Smithfield, NE is 1 hour. The current time in Dewey is 6:03 am and the current time in Smithfield is 7:03 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Smithfield, NE? 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 15.66 gallons of gas to cover the route between Dewey, SD and Smithfield, NE.

The estimated cost of gas to go from Dewey to Smithfield is $51.07.

During the route, an average car will release 306.72 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 Smithfield, NE

If you want to meet halfway between Dewey, SD and Smithfield, NE or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.512172 and -102.644765, or 41º 30' 43.8192" N, 102º 38' 41.154" W. This location is 194.91 miles away from Dewey, SD and Smithfield, NE and it would take approximately 3 hours 55 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lisco, NE, situated 205 miles from Dewey, SD and 185 miles from Smithfield, NE. It would take 4 hours 28 mins to go from Dewey to Lisco and 3 hours 24 mins to go from Smithfield to Lisco.