Distance between cities › USA › Maryland › Benson, MD › Distance from Benson to Opal Book Hotels

Distance from Benson, MD to Opal, SD

Distance

1,657 mi

Time

1 day 6 hours

Gas Cost

$154 - $300

There are 1,378.33 miles from Benson to Opal in northwest direction and 1,657 miles (2,666.68 kilometers) by car, following the I-90 route.

Benson and Opal are 1 day 6 hours far apart, if you drive non-stop .

This is the fastest route from Benson, MD to Opal, SD.

Please note the time difference between Benson, MD and Opal, SD is 2 hours. The current time in Benson is 9:09 am and the current time in Opal is 7:09 am.

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Lowest Price Rental Cars in Benson, MD

Planning on renting a car to go from Benson, MD to Opal, SD? Here there are some offers to rent a car in Benson, MD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Benson »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 66.55 gallons of gas to cover the route between Benson, MD and Opal, SD.

The estimated cost of gas to go from Benson to Opal is $217.09.

During the route, an average car will release 1,303.86 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 Benson, MD and Opal, SD

If you want to meet halfway between Benson, MD and Opal, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.99839 and -89.160732, or 42º 59' 54.204" N, 89º 9' 38.6352" W. This location is 828.55 miles away from Benson, MD and Opal, SD and it would take approximately 15 hours 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Deerfield, WI, situated 852 miles from Benson, MD and 810 miles from Opal, SD. It would take 16 hours 10 mins to go from Benson to Deerfield and 15 hours 2 mins to go from Opal to Deerfield.

Major City Closest to Halfway Point

The major city closest to the halfway point between Benson, MD and Opal, SD is Madison, WI, situated 865 miles from Benson, MD and 800 miles from Opal, SD. It would take 16 hours 22 mins to go from Benson to Madison and 15 hours 1 min to go from Opal to Madison.