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

Distance from Oceanside, CA to Seneca, OR

Distance

907 mi

Time

17 hours 37 mins

Gas Cost

$85 - $164

There are 760.62 miles from Oceanside to Seneca in north direction and 907 miles (1,459.68 kilometers) by car, following the I-80 and US-95 route.

Oceanside and Seneca are 17 hours 37 mins far apart, if you drive non-stop .

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

Oceanside, CA and Seneca, OR are in the same time zone (PDT). Current time in both locations is 10:53 pm.

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Lowest Price Rental Cars in Oceanside, CA

Planning on renting a car to go from Oceanside, CA to Seneca, 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 36.42 gallons of gas to cover the route between Oceanside, CA and Seneca, OR.

The estimated cost of gas to go from Oceanside to Seneca is $118.81.

During the route, an average car will release 713.57 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 Seneca, OR

If you want to meet halfway between Oceanside, CA and Seneca, OR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.690458 and -118.772102, or 38º 41' 25.6488" N, 118º 46' 19.5672" W. This location is 453.45 miles away from Oceanside, CA and Seneca, OR and it would take approximately 8 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Walker Lake, NV, situated 456 miles from Oceanside, CA and 451 miles from Seneca, OR. It would take 9 hours 6 mins to go from Oceanside to Walker Lake and 8 hours 32 mins to go from Seneca to Walker Lake.