Distance from Keller, TX to Round Rock, TX is 189Miles or 303 Km. You can get this distance about 2 hours 56 mins. If you want to planning travel with plane for 170 Miles or 274 Km, You can get this distance about 51 mins .
A car with an average MPG will needs 8.75 gallons of gas to get the route between these points.
The estimated cost of gas to get between Keller, TX and Round Rock, TX is $19.86.
During the route, an average car will release 171.43 pounds of CO2 to the atmosphere. Your carbon footprint is 0.91 pounds of CO2 per mile.
* Average US MPG used for calculations is 21.6 MPG.
* Average US gas price used for calculation is 2.27 per gallon.