Distance between cities › USA › California › Oceanside, CA › Distance from Oceanside to Montclair Book Hotels

Distance from Oceanside, CA to Montclair, CA

Distance

77 mi

Time

1 hour 38 mins

Gas Cost

$12 - $23

There are 63.49 miles from Oceanside to Montclair in northwest direction and 77 miles (123.92 kilometers) by car, following the I-5 route.

Oceanside and Montclair are 1 hour 38 mins far apart, if you drive non-stop .

This is the fastest route from Oceanside, CA to Montclair, CA. The halfway point is East Irvine, CA.

Oceanside, CA and Montclair, CA are in the same time zone (PDT). Current time in both locations is 1:25 pm.

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Lowest Price Rental Cars in Oceanside, CA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Oceanside »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 3.11 gallons of gas to cover the route between Oceanside, CA and Montclair, CA.

The estimated cost of gas to go from Oceanside to Montclair is $16.60.

During the route, an average car will release 60.94 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 Oceanside, CA and Montclair, CA

If you want to meet halfway between Oceanside, CA and Montclair, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.647198 and -117.735626, or 33º 38' 49.9128" N, 117º 44' 8.2536" W. This location is 38.73 miles away from Oceanside, CA and Montclair, CA and it would take approximately 49 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is East Irvine, CA, situated 43 miles from Oceanside, CA and 40 miles from Montclair, CA. It would take 42 minutes to go from Oceanside to East Irvine and 40 minutes to go from Montclair to East Irvine.

Major City Closest to Halfway Point

The major city closest to the halfway point between Oceanside, CA and Montclair, CA is Santa Ana, CA, situated 52 miles from Oceanside, CA and 31 miles from Montclair, CA. It would take 51 minutes to go from Oceanside to and 33 minutes to go from Montclair to Santa Ana.

Major Cities Along the Route

Some other major cities along the route include Carlsbad, CA,Ontario, CA,Rancho Cucamonga, CA,Pomona, CA,Irvine, CA,Orange, CA,Fullerton, CA,Anaheim, CA, and Garden Grove, CA.