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

Distance from Harrison, SD to Gravity, IA

Distance

348 mi

Time

7 hours 5 mins

Gas Cost

$32 - $63

There are 267.61 miles from Harrison to Gravity in southeast direction and 348 miles (560.05 kilometers) by car, following the I-29 route.

Harrison and Gravity are 7 hours 5 mins far apart, if you drive non-stop .

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

Harrison, SD and Gravity, IA are in the same time zone (CDT). Current time in both locations is 4:51 am.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Gravity, 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 13.96 gallons of gas to cover the route between Harrison, SD and Gravity, IA.

The estimated cost of gas to go from Harrison to Gravity is $45.53.

During the route, an average car will release 273.46 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 Gravity, IA

If you want to meet halfway between Harrison, SD and Gravity, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.378301 and -96.356208, or 42º 22' 41.8836" N, 96º 21' 22.3488" W. This location is 173.77 miles away from Harrison, SD and Gravity, IA and it would take approximately 3 hours 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sergeant Bluff, IA, situated 166 miles from Harrison, SD and 182 miles from Gravity, IA. It would take 3 hours 28 mins to go from Harrison to Sergeant Bluff and 3 hours 41 mins to go from Gravity to Sergeant Bluff.