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

Distance from Mill Spring, NC to Keymar, MD

Distance

479 mi

Time

9 hours 31 mins

Gas Cost

$44 - $85

There are 401.50 miles from Mill Spring to Keymar in northeast direction and 479 miles (770.88 kilometers) by car, following the I-81 and US-11 route.

Mill Spring and Keymar are 9 hours 31 mins far apart, if you drive non-stop .

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

Mill Spring, NC and Keymar, MD are in the same time zone (EDT). Current time in both locations is 11:18 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 Keymar, 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 19.22 gallons of gas to cover the route between Mill Spring, NC and Keymar, MD.

The estimated cost of gas to go from Mill Spring to Keymar is $61.59.

During the route, an average car will release 376.63 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 $3.20 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 Keymar, MD

If you want to meet halfway between Mill Spring, NC and Keymar, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 37.336057 and -80.012152, or 37º 20' 9.8052" N, 80º 0' 43.7472" W. This location is 239.33 miles away from Mill Spring, NC and Keymar, MD and it would take approximately 4 hours 45 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 243 miles from Keymar, MD. It would take 4 hours 50 mins to go from Mill Spring to Salem and 4 hours 47 mins to go from Keymar to Salem.