Distance between Round Rock and Ontario
Distance from Round Rock, TX to Ontario, CA is 1190 miles / 1915 kilometers.
Map showing the distance from Round Rock to Ontario
 |
Air distance: | miles km |
Round Rock, TX
| City: | Round Rock, TX |
| Country: | United States |
Ontario, CA
| City: | Ontario, CA |
| Country: | United States |
Time difference between Round Rock and Ontario
The time difference between Round Rock and Ontario is 2 hours. Ontario is 2 hours behind Round Rock. Current local time in Round Rock is 21:38 CST (2025-01-22) and time in Ontario is 19:38 PST (2025-01-22).