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

Distance from Quantico, MD to Gray, TN

Distance

513 mi

Time

10 hours 11 mins

Gas Cost

$48 - $93

There are 393.42 miles from Quantico to Gray in southwest direction and 513 miles (825.59 kilometers) by car, following the I-81 route.

Quantico and Gray are 10 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Quantico, MD to Gray, TN.

Quantico, MD and Gray, TN are in the same time zone (EDT). Current time in both locations is 2:23 am.

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Lowest Price Rental Cars in Quantico, MD

Planning on renting a car to go from Quantico, MD to Gray, TN? 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 20.62 gallons of gas to cover the route between Quantico, MD and Gray, TN.

The estimated cost of gas to go from Quantico to Gray is $67.26.

During the route, an average car will release 404 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 Gray, TN

If you want to meet halfway between Quantico, MD and Gray, TN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.296499 and -78.931477, or 38º 17' 47.3964" N, 78º 55' 53.3172" W. This location is 256.73 miles away from Quantico, MD and Gray, TN and it would take approximately 5 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Weyers Cave, VA, situated 258 miles from Quantico, MD and 258 miles from Gray, TN. It would take 5 hours 30 mins to go from Quantico to Weyers Cave and 4 hours 47 mins to go from Gray to Weyers Cave.