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

Distance from Keyapaha, SD to Union, MS

Distance

1,148 mi

Time

23 hours 16 mins

Gas Cost

$107 - $208

There are 942.44 miles from Keyapaha to Union in southeast direction and 1,148 miles (1,847.53 kilometers) by car, following the I-29 route.

Keyapaha and Union are 23 hours 16 mins far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Union, MS.

Keyapaha, SD and Union, MS are in the same time zone (CDT). Current time in both locations is 7:20 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Union, MS? 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 46.11 gallons of gas to cover the route between Keyapaha, SD and Union, MS.

The estimated cost of gas to go from Keyapaha to Union is $150.41.

During the route, an average car will release 903.36 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 Keyapaha, SD and Union, MS

If you want to meet halfway between Keyapaha, SD and Union, MS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.451804 and -93.961298, or 38º 27' 6.4944" N, 93º 57' 40.6728" W. This location is 574.05 miles away from Keyapaha, SD and Union, MS and it would take approximately 11 hours 38 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Urich, MO, situated 551 miles from Keyapaha, SD and 599 miles from Union, MS. It would take 11 hours 7 mins to go from Keyapaha to Urich and 12 hours 13 mins to go from Union to Urich.