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

Distance from Quantico, MD to Potomac, MD

Distance

127 mi

Time

3 hours 2 mins

Gas Cost

$13 - $25

There are 90.72 miles from Quantico to Potomac in northwest direction and 127 miles (204.39 kilometers) by car, following the US-50 route.

Quantico and Potomac are 3 hours 2 mins far apart, if you drive non-stop .

This is the fastest route from Quantico, MD to Potomac, MD. The halfway point is Grasonville, MD.

Quantico, MD and Potomac, MD are in the same time zone (EDT). Current time in both locations is 12:55 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Quantico, MD to Potomac, MD:

Lowest Price Rental Cars in Quantico, MD

Planning on renting a car to go from Quantico, MD to Potomac, MD? 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 5.11 gallons of gas to cover the route between Quantico, MD and Potomac, MD.

The estimated cost of gas to go from Quantico to Potomac is $17.90.

During the route, an average car will release 100.12 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 $3.50 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Quantico, MD and Potomac, MD

If you want to meet halfway between Quantico, MD and Potomac, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.962551 and -76.210716, or 38º 57' 45.1836" N, 76º 12' 38.5776" W. This location is 63.62 miles away from Quantico, MD and Potomac, MD and it would take approximately 1 hour 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 Grasonville, MD, situated 67 miles from Quantico, MD and 62 miles from Potomac, MD. It would take 1 hour 23 mins to go from Quantico to Grasonville and 1 hour 11 mins to go from Potomac to Grasonville.