Distance between cities › USA › North Carolina › Mill Spring, NC › Distance from Mill Spring to Potomac Book Hotels

Distance from Mill Spring, NC to Potomac, MD

Distance

475 mi

Time

9 hours 14 mins

Gas Cost

$44 - $85

There are 374.68 miles from Mill Spring to Potomac in northeast direction and 475 miles (764.44 kilometers) by car, following the I-81 and US-11 route.

Mill Spring and Potomac are 9 hours 14 mins far apart, if you drive non-stop .

This is the fastest route from Mill Spring, NC to Potomac, MD.

Mill Spring, NC and Potomac, MD are in the same time zone (EDT). Current time in both locations is 9:09 pm.

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Lowest Price Rental Cars in Mill Spring, NC

Planning on renting a car to go from Mill Spring, NC to Potomac, MD? Here there are some offers to rent a car in Mill Spring, NC

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mill Spring »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.09 gallons of gas to cover the route between Mill Spring, NC and Potomac, MD.

The estimated cost of gas to go from Mill Spring to Potomac is $61.16.

During the route, an average car will release 373.99 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Mill Spring, NC and Potomac, MD

If you want to meet halfway between Mill Spring, NC 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 37.334879 and -80.015619, or 37º 20' 5.5644" N, 80º 0' 56.2284" W. This location is 237.66 miles away from Mill Spring, NC and Potomac, MD and it would take approximately 4 hours 37 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Salem, VA, situated 238 miles from Mill Spring, NC and 239 miles from Potomac, MD. It would take 4 hours 50 mins to go from Mill Spring to Salem and 4 hours 31 mins to go from Potomac to Salem.