Distance between Ontario and San Marcos
Distance from Ontario, CA to San Marcos, CA is 69 miles / 112 kilometers.
Map showing the distance from Ontario to San Marcos
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Air distance: | miles km |
Ontario, CA
| City: | Ontario, CA |
| Country: | United States |
San Marcos, CA
| City: | San Marcos, CA |
| Country: | United States |
Time difference between Ontario and San Marcos
There is no time difference between Ontario and San Marcos. Current local time in Ontario and San Marcos is 13:17 PST (2025-01-21)