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

Distance from Oceanside, CA to Monroe, OR

Distance

956 mi

Time

18 hours 11 mins

Gas Cost

$89 - $173

There are 831.15 miles from Oceanside to Monroe in northwest direction and 956 miles (1,538.53 kilometers) by car, following the I-5 route.

Oceanside and Monroe are 18 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Oceanside, CA to Monroe, OR.

Oceanside, CA and Monroe, OR are in the same time zone (PDT). Current time in both locations is 7:54 pm.

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Lowest Price Rental Cars in Oceanside, CA

Planning on renting a car to go from Oceanside, CA to Monroe, OR? 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 38.40 gallons of gas to cover the route between Oceanside, CA and Monroe, OR.

The estimated cost of gas to go from Oceanside to Monroe is $125.27.

During the route, an average car will release 752.38 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Oceanside, CA and Monroe, OR

If you want to meet halfway between Oceanside, CA and Monroe, OR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.673582 and -121.660217, or 38º 40' 24.8952" N, 121º 39' 36.7812" W. This location is 478.11 miles away from Oceanside, CA and Monroe, OR and it would take approximately 9 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Woodland, CA, situated 487 miles from Oceanside, CA and 471 miles from Monroe, OR. It would take 9 hours 4 mins to go from Oceanside to Woodland and 9 hours 13 mins to go from Monroe to Woodland.

Major City Closest to Halfway Point

The major city closest to the halfway point between Oceanside, CA and Monroe, OR is Sacramento, CA, situated 468 miles from Oceanside, CA and 489 miles from Monroe, OR. It would take 8 hours 42 mins to go from Oceanside to Sacramento and 9 hours 32 mins to go from Monroe to Sacramento.

Major Cities Along the Route

Some other major cities along the route include Norwalk, CA, Santa Clarita, CA, Los Angeles, CA, Glendale, CA, Orange, CA, Stockton, CA, East Los Angeles, CA, Downey, CA, Santa Ana, CA, Carlsbad, CA, Anaheim, CA, Fullerton, CA, Garden Grove, CA, Irvine, CA and Burbank, CA.