Distance between cities › USA › South Carolina › Olar, SC › Distance from Olar to Roundhead Book Hotels

Distance from Olar, SC to Roundhead, OH

Distance

647 mi

Time

12 hours 44 mins

Gas Cost

$60 - $117

There are 530.39 miles from Olar to Roundhead in northwest direction and 647 miles (1,041.25 kilometers) by car, following the I-77 route.

Olar and Roundhead are 12 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from Olar, SC to Roundhead, OH.

Olar, SC and Roundhead, OH are in the same time zone (EDT). Current time in both locations is 9:12 pm.

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Lowest Price Rental Cars in Olar, SC

Planning on renting a car to go from Olar, SC to Roundhead, OH? Here there are some offers to rent a car in Olar, SC

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Olar »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 25.98 gallons of gas to cover the route between Olar, SC and Roundhead, OH.

The estimated cost of gas to go from Olar to Roundhead is $84.74.

During the route, an average car will release 508.95 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 Olar, SC and Roundhead, OH

If you want to meet halfway between Olar, SC and Roundhead, OH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 37.471167 and -81.067147, or 37º 28' 16.2012" N, 81º 4' 1.7292" W. This location is 323.42 miles away from Olar, SC and Roundhead, OH and it would take approximately 6 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Spanishburg, WV, situated 337 miles from Olar, SC and 315 miles from Roundhead, OH. It would take 6 hours 42 mins to go from Olar to Spanishburg and 6 hours 16 mins to go from Roundhead to Spanishburg.