Distance between San Marcos and Herndon
Distance from San Marcos, CA to Herndon, VA is 2240 miles / 3605 kilometers.
Map showing the distance from San Marcos to Herndon
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Air distance: | miles km |
San Marcos, CA
| City: | San Marcos, CA |
| Country: | United States |
Herndon, VA
| City: | Herndon, VA |
| Country: | United States |
Time difference between San Marcos and Herndon
The time difference between San Marcos and Herndon is 3 hours. Herndon is 3 hours ahead of San Marcos. Current local time in San Marcos is 08:22 PST (2025-02-18) and time in Herndon is 11:22 EST (2025-02-18).