Distance between Round Rock and Diamond Bar
Distance from Round Rock, TX to Diamond Bar, CA is 1199 miles / 1929 kilometers.
Map showing the distance from Round Rock to Diamond Bar
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Air distance: | miles km |
Round Rock, TX
| City: | Round Rock, TX |
| Country: | United States |
Diamond Bar, CA
| City: | Diamond Bar, CA |
| Country: | United States |
Time difference between Round Rock and Diamond Bar
The time difference between Round Rock and Diamond Bar is 2 hours. Diamond Bar is 2 hours behind Round Rock. Current local time in Round Rock is 13:58 CST (2025-02-16) and time in Diamond Bar is 11:58 PST (2025-02-16).