Distance from Monrovia, CA to San Marcos, CA

Driving distance from Monrovia, CA to San Marcos, CA is 102 miles (163 km). How far is it from Monrovia, CA to San Marcos, CA? It's a 02 hours 04 minutes drive by car. Flight distance is approximately 84 miles (136 km) and flight time from Monrovia, CA to San Marcos, CA is 10 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.

Driving distance
102 Miles
/
163 Km
Driving distance
Gas consumption
4.08 Gallons
15.49 Litres
Gas consumption
Flight distance
84 Miles
/
136 Km
Flight distance

How far is it from Monrovia, CA to San Marcos, CA?

To travel the distance from Monrovia, CA to San Marcos, CA, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.

Book a Hotel for your trip to San Marcos, CA

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Last distance calculations