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

Distance from Oceanside, CA to Mount Hamilton, CA

Distance

425 mi

Time

8 hours 23 mins

Gas Cost

$65 - $126

There are 373.93 miles from Oceanside to Mount Hamilton in northwest direction and 425 miles (683.97 kilometers) by car, following the I-5 route.

Oceanside and Mount Hamilton are 8 hours 23 mins far apart, if you drive non-stop .

This is the fastest route from Oceanside, CA to Mount Hamilton, CA. The halfway point is Buttonwillow, CA.

Oceanside, CA and Mount Hamilton, CA are in the same time zone (PDT). Current time in both locations is 1:34 pm.

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Lowest Price Rental Cars in Oceanside, CA

Planning on renting a car to go from Oceanside, CA to Mount Hamilton, 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 17.06 gallons of gas to cover the route between Oceanside, CA and Mount Hamilton, CA.

The estimated cost of gas to go from Oceanside to Mount Hamilton is $91.04.

During the route, an average car will release 334.25 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 Mount Hamilton, CA

If you want to meet halfway between Oceanside, CA and Mount Hamilton, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.465179 and -119.486122, or 35º 27' 54.6444" N, 119º 29' 10.0392" W. This location is 212.40 miles away from Oceanside, CA and Mount Hamilton, CA and it would take approximately 4 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buttonwillow, CA, situated 209 miles from Oceanside, CA and 218 miles from Mount Hamilton, CA. It would take 3 hours 15 mins to go from Oceanside to Buttonwillow and 3 hours 55 mins to go from Mount Hamilton to Buttonwillow.

Major City Closest to Halfway Point

The major city closest to the halfway point between Oceanside, CA and Mount Hamilton, CA is Bakersfield, CA, situated 194 miles from Oceanside, CA and 243 miles from Mount Hamilton, CA. It would take 3 hours 2 mins to go from Oceanside to and 4 hours 20 mins to go from Mount Hamilton to Bakersfield.

Major Cities Along the Route

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