Distance between cities › USA › South Dakota › Keyapaha, SD › Distance from Keyapaha to Smithwick Book Hotels

Distance from Keyapaha, SD to Smithwick, SD

Distance

217 mi

Time

4 hours 56 mins

Gas Cost

$19 - $38

There are 155.67 miles from Keyapaha to Smithwick in west direction and 217 miles (349.23 kilometers) by car, following the US-20 route.

Keyapaha and Smithwick are 4 hours 56 mins far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Smithwick, SD. The halfway point is Merriman, NE.

Please note the time difference between Keyapaha, SD and Smithwick, SD is 1 hour. The current time in Keyapaha is 12:42 am (Mar 13) and the current time in Smithwick is 11:42 pm (Mar 12).

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Smithwick, SD? Here there are some offers to rent a car in Keyapaha, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Keyapaha »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 8.71 gallons of gas to cover the route between Keyapaha, SD and Smithwick, SD.

The estimated cost of gas to go from Keyapaha to Smithwick is $27.31.

During the route, an average car will release 170.69 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 Keyapaha, SD and Smithwick, SD

If you want to meet halfway between Keyapaha, SD and Smithwick, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.846256 and -101.873940, or 42º 50' 46.5216" N, 101º 52' 26.184" W. This location is 108.47 miles away from Keyapaha, SD and Smithwick, SD and it would take approximately 2 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 Merriman, NE, situated 98 miles from Keyapaha, SD and 124 miles from Smithwick, SD. It would take 2 hours 5 mins to go from Keyapaha to Merriman and 2 hours 27 mins to go from Smithwick to Merriman.