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

Distance from Olar, SC to Rockham, SD

Distance

1,555 mi

Time

1 day 5 hours

Gas Cost

$145 - $282

There are 1,240.98 miles from Olar to Rockham in northwest direction and 1,555 miles (2,502.53 kilometers) by car, following the I-70 route.

Olar and Rockham are 1 day 5 hours far apart, if you drive non-stop .

This is the fastest route from Olar, SC to Rockham, SD. The halfway point is Wentzville, MO.

Please note the time difference between Olar, SC and Rockham, SD is 1 hour. The current time in Olar is 9:33 pm and the current time in Rockham is 8:33 pm.

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Lowest Price Rental Cars in Olar, SC

Planning on renting a car to go from Olar, SC to Rockham, SD? 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 62.45 gallons of gas to cover the route between Olar, SC and Rockham, SD.

The estimated cost of gas to go from Olar to Rockham is $203.70.

During the route, an average car will release 1,223.46 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 Rockham, SD

If you want to meet halfway between Olar, SC and Rockham, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.815437 and -90.814682, or 38º 48' 55.5732" N, 90º 48' 52.8552" W. This location is 777.46 miles away from Olar, SC and Rockham, SD and it would take approximately 14 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wentzville, MO, situated 796 miles from Olar, SC and 752 miles from Rockham, SD. It would take 12 hours 27 mins to go from Olar to Wentzville and 11 hours 44 mins to go from Rockham to Wentzville.