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

Distance from Oceanside, CA to Walnut, CA

Distance

74 mi

Time

1 hour 31 mins

Gas Cost

$11 - $22

There are 63.46 miles from Oceanside to Walnut in northwest direction and 74 miles (119.09 kilometers) by car, following the I-5 route.

Oceanside and Walnut are 1 hour 31 mins far apart, if you drive non-stop .

This is the fastest route from Oceanside, CA to Walnut, CA. The halfway point is Mission Viejo, CA.

Oceanside, CA and Walnut, CA are in the same time zone (PDT). Current time in both locations is 12:57 pm.

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Lowest Price Rental Cars in Oceanside, CA

Planning on renting a car to go from Oceanside, CA to Walnut, 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 2.96 gallons of gas to cover the route between Oceanside, CA and Walnut, CA.

The estimated cost of gas to go from Oceanside to Walnut is $15.78.

During the route, an average car will release 57.95 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 Walnut, CA

If you want to meet halfway between Oceanside, CA and Walnut, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.596935 and -117.676125, or 33º 35' 48.966" N, 117º 40' 34.05" W. This location is 36.82 miles away from Oceanside, CA and Walnut, CA and it would take approximately 45 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Mission Viejo, CA, situated 36 miles from Oceanside, CA and 38 miles from Walnut, CA. It would take 37 minutes to go from Oceanside to Mission Viejo and 40 minutes to go from Walnut to Mission Viejo.

Major City Closest to Halfway Point

The major city closest to the halfway point between Oceanside, CA and Walnut, CA is Irvine, CA, situated 47 miles from Oceanside, CA and 29 miles from Walnut, CA. It would take 48 minutes to go from Oceanside to and 33 minutes to go from Walnut to Irvine.

Major Cities Along the Route

Some other major cities along the route include Carlsbad, CA,Santa Ana, CA,West Covina, CA,Orange, CA,Garden Grove, CA,Anaheim, CA, and Fullerton, CA.