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

Distance from Quantico, MD to Williamston, SC

Distance

580 mi

Time

12 hours 9 mins

Gas Cost

$54 - $105

There are 455.10 miles from Quantico to Williamston in southwest direction and 580 miles (933.42 kilometers) by car and ferry, following the I-85 route.

Quantico and Williamston are 12 hours 9 mins far apart, if you drive non-stop for 12 hours 6 mins and take a ferry for 3 minutes .

This is the fastest route from Quantico, MD to Williamston, SC.

Quantico, MD and Williamston, SC are in the same time zone (EDT). Current time in both locations is 3:51 am.

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Lowest Price Rental Cars in Quantico, MD

Planning on renting a car to go from Quantico, MD to Williamston, SC? 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 23.28 gallons of gas to cover the route between Quantico, MD and Williamston, SC.

The estimated cost of gas to go from Quantico to Williamston is $75.93.

During the route, an average car will release 456.04 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 Williamston, SC

If you want to meet halfway between Quantico, MD and Williamston, SC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.322157 and -78.506714, or 36º 19' 19.7652" N, 78º 30' 24.1704" W. This location is 289.80 miles away from Quantico, MD and Williamston, SC and it would take approximately 6 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Oxford, NC, situated 298 miles from Quantico, MD and 283 miles from Williamston, SC. It would take 6 hours 39 mins to go from Quantico to Oxford and 5 hours 33 mins to go from Williamston to Oxford.