Distance between cities › USA › Maryland › Quantico, MD › Distance from Quantico to Spearfish Book Hotels

Distance from Quantico, MD to Spearfish, SD

Distance

1,756 mi

Time

1 day 7 hours

Gas Cost

$164 - $318

There are 1,508.11 miles from Quantico to Spearfish in northwest direction and 1,756 miles (2,826.01 kilometers) by car, following the I-90 route.

Quantico and Spearfish are 1 day 7 hours far apart, if you drive non-stop .

This is the fastest route from Quantico, MD to Spearfish, SD.

Please note the time difference between Quantico, MD and Spearfish, SD is 2 hours. The current time in Quantico is 6:28 am and the current time in Spearfish is 4:28 am.

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Lowest Price Rental Cars in Quantico, MD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Quantico »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 70.52 gallons of gas to cover the route between Quantico, MD and Spearfish, SD.

The estimated cost of gas to go from Quantico to Spearfish is $230.04.

During the route, an average car will release 1,381.63 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 Quantico, MD and Spearfish, SD

If you want to meet halfway between Quantico, MD and Spearfish, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.702887 and -88.983859, or 42º 42' 10.3932" N, 88º 59' 1.8924" W. This location is 877.98 miles away from Quantico, MD and Spearfish, SD and it would take approximately 15 hours 59 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Janesville, WI, situated 908 miles from Quantico, MD and 850 miles from Spearfish, SD. It would take 17 hours 39 mins to go from Quantico to Janesville and 14 hours 31 mins to go from Spearfish to Janesville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Quantico, MD and Spearfish, SD is Rockford, IL, situated 884 miles from Quantico, MD and 883 miles from Spearfish, SD. It would take 17 hours 7 mins to go from Quantico to Rockford and 15 hours 17 mins to go from Spearfish to Rockford.