Distance between Round Rock and Thornton
Distance from Round Rock, TX to Thornton, CO is 766 miles / 1233 kilometers.
Map showing the distance from Round Rock to Thornton
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Air distance: | miles km |
Round Rock, TX
| City: | Round Rock, TX |
| Country: | United States |
Thornton, CO
| City: | Thornton, CO |
| Country: | United States |
Time difference between Round Rock and Thornton
The time difference between Round Rock and Thornton is 1 hour. Thornton is 1 hour behind Round Rock. Current local time in Round Rock is 21:01 CST (2025-01-22) and time in Thornton is 20:01 MST (2025-01-22).