Distance between cities › USA › South Dakota › Harrison, SD › Distance from Harrison to Gray Book Hotels

Distance from Harrison, SD to Gray, IA

Distance

267 mi

Time

5 hours 44 mins

Gas Cost

$25 - $48

There are 211 miles from Harrison to Gray in southeast direction and 267 miles (429.69 kilometers) by car, following the I-29 route.

Harrison and Gray are 5 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from Harrison, SD to Gray, IA.

Harrison, SD and Gray, IA are in the same time zone (CDT). Current time in both locations is 4:55 am.

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Lowest Price Rental Cars in Harrison, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Harrison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 10.74 gallons of gas to cover the route between Harrison, SD and Gray, IA.

The estimated cost of gas to go from Harrison to Gray is $35.04.

During the route, an average car will release 210.45 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 Harrison, SD and Gray, IA

If you want to meet halfway between Harrison, SD and Gray, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.758275 and -96.758582, or 42º 45' 29.79" N, 96º 45' 30.8952" W. This location is 133.73 miles away from Harrison, SD and Gray, IA and it would take approximately 2 hours 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Burbank, SD, situated 130 miles from Harrison, SD and 138 miles from Gray, IA. It would take 2 hours 51 mins to go from Harrison to Burbank and 3 hours to go from Gray to Burbank.