Distance between Round Rock and Longmont
Distance from Round Rock, TX to Longmont, CO is 787 miles / 1266 kilometers.
Map showing the distance from Round Rock to Longmont
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Air distance: | miles km |
Round Rock, TX
| City: | Round Rock, TX |
| Country: | United States |
Longmont, CO
| City: | Longmont, CO |
| Country: | United States |
Time difference between Round Rock and Longmont
The time difference between Round Rock and Longmont is 1 hour. Longmont is 1 hour behind Round Rock. Current local time in Round Rock is 13:19 CST (2025-01-21) and time in Longmont is 12:19 MST (2025-01-21).