Distance between cities › USA › South Carolina › Tega Cay, SC › Distance from Tega Cay to Round Rock Book Hotels

Distance from Tega Cay, SC to Round Rock, SC

Distance

20 mi

Time

33 minutes

Gas Cost

$2 - $4

There are 10.20 miles from Tega Cay to Round Rock in south direction and 20 miles (32.19 kilometers) by car, following the I-77 route.

Tega Cay and Round Rock are 33 minutes far apart, if you drive non-stop .

This is the fastest route from Tega Cay, SC to Round Rock, SC.

Tega Cay, SC and Round Rock, SC are in the same time zone (EDT). Current time in both locations is 4:34 am.

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Lowest Price Rental Cars in Tega Cay, SC

Planning on renting a car to go from Tega Cay, SC to Round Rock, SC? Here there are some offers to rent a car in Tega Cay, SC

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Tega Cay »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.80 gallons of gas to cover the route between Tega Cay, SC and Round Rock, SC.

The estimated cost of gas to go from Tega Cay to Round Rock is $2.79.

During the route, an average car will release 15.76 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 $3.47 per gallon of regular gas. Price last updated on March 18, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Tega Cay, SC and Round Rock, SC

If you want to meet halfway between Tega Cay, SC and Round Rock, SC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 34.977806 and -80.987938, or 34º 58' 40.1016" N, 80º 59' 16.5768" W. This location is 10.02 miles away from Tega Cay, SC and Round Rock, SC and it would take approximately 16 minutes to reach the halfway point from both locations.