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

Distance from Harrison, SD to Bairoil, WY

Distance

618 mi

Time

11 hours 3 mins

Gas Cost

$58 - $112

There are 464.67 miles from Harrison to Bairoil in west direction and 618 miles (994.57 kilometers) by car, following the I-90 route.

Harrison and Bairoil are 11 hours 3 mins far apart, if you drive non-stop .

This is the fastest route from Harrison, SD to Bairoil, WY. The halfway point is Hermosa, SD.

Please note the time difference between Harrison, SD and Bairoil, WY is 1 hour. The current time in Harrison is 2:23 am and the current time in Bairoil is 1:23 am.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Bairoil, WY? 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 24.83 gallons of gas to cover the route between Harrison, SD and Bairoil, WY.

The estimated cost of gas to go from Harrison to Bairoil is $81.01.

During the route, an average car will release 486.53 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 Bairoil, WY

If you want to meet halfway between Harrison, SD and Bairoil, WY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.814259 and -103.211006, or 43º 48' 51.3324" N, 103º 12' 39.6216" W. This location is 309.17 miles away from Harrison, SD and Bairoil, WY and it would take approximately 5 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hermosa, SD, situated 293 miles from Harrison, SD and 324 miles from Bairoil, WY. It would take 4 hours 7 mins to go from Harrison to Hermosa and 5 hours 54 mins to go from Bairoil to Hermosa.