Distance between cities › USA › South Dakota › Ward, SD › Distance from Ward to Keystone Book Hotels

Distance from Ward, SD to Keystone, IA

Distance

364 mi

Time

7 hours 21 mins

Gas Cost

$34 - $67

There are 261.64 miles from Ward to Keystone in southeast direction and 364 miles (585.80 kilometers) by car, following the I-90 route.

Ward and Keystone are 7 hours 21 mins far apart, if you drive non-stop .

This is the fastest route from Ward, SD to Keystone, IA.

Ward, SD and Keystone, IA are in the same time zone (CDT). Current time in both locations is 3:02 am.

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Lowest Price Rental Cars in Ward, SD

Planning on renting a car to go from Ward, SD to Keystone, IA? Here there are some offers to rent a car in Ward, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ward »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 14.61 gallons of gas to cover the route between Ward, SD and Keystone, IA.

The estimated cost of gas to go from Ward to Keystone is $48.08.

During the route, an average car will release 286.22 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Ward, SD and Keystone, IA

If you want to meet halfway between Ward, SD and Keystone, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.658185 and -93.727124, or 43º 39' 29.466" N, 93º 43' 37.6464" W. This location is 181.88 miles away from Ward, SD and Keystone, IA and it would take approximately 3 hours 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Walters, MN, situated 177 miles from Ward, SD and 194 miles from Keystone, IA. It would take 3 hours 37 mins to go from Ward to Walters and 3 hours 57 mins to go from Keystone to Walters.