Distance between cities › USA › California › Riverside, CA › Distance from Riverside to Monrovia Book Hotels

Distance from Riverside, CA to Monrovia, CA

Distance

42 mi

Time

58 minutes

Gas Cost

$6 - $13

There are 37.11 miles from Riverside to Monrovia in northwest direction and 42 miles (67.59 kilometers) by car, following the CA 60 route.

Riverside and Monrovia are 58 minutes far apart, if you drive non-stop .

This is the fastest route from Riverside, CA to Monrovia, CA. The halfway point is Chino, CA.

Riverside, CA and Monrovia, CA are in the same time zone (PDT). Current time in both locations is 6:35 pm.

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Lowest Price Rental Cars in Riverside, CA

Planning on renting a car to go from Riverside, CA to Monrovia, CA? Here there are some offers to rent a car in Riverside, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Riverside »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 1.71 gallons of gas to cover the route between Riverside, CA and Monrovia, CA.

The estimated cost of gas to go from Riverside to Monrovia is $9.11.

During the route, an average car will release 33.44 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $5.34 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Riverside, CA and Monrovia, CA

If you want to meet halfway between Riverside, CA and Monrovia, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 34.028431 and -117.716141, or 34º 1' 42.3516" N, 117º 42' 58.1076" W. This location is 21.25 miles away from Riverside, CA and Monrovia, CA and it would take approximately 29 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Chino, CA, situated 21 miles from Riverside, CA and 24 miles from Monrovia, CA. It would take 24 minutes to go from Riverside to Chino and 28 minutes to go from Monrovia to Chino.

Major City Closest to Halfway Point

The major city closest to the halfway point between Riverside, CA and Monrovia, CA is Ontario, CA, situated 18 miles from Riverside, CA and 25 miles from Monrovia, CA. It would take 23 minutes to go from Riverside to and 29 minutes to go from Monrovia to Ontario.