Distance between cities › USA › California › Eureka, CA › Distance from Eureka to Prospect Book Hotels

Distance from Eureka, CA to Prospect, OR

Distance

226 mi

Time

5 hours 12 mins

Gas Cost

$21 - $41

There are 160.12 miles from Eureka to Prospect in northeast direction and 226 miles (363.71 kilometers) by car, following the US-199 route.

Eureka and Prospect are 5 hours 12 mins far apart, if you drive non-stop .

This is the fastest route from Eureka, CA to Prospect, OR. The halfway point is O Brien, OR.

Eureka, CA and Prospect, OR are in the same time zone (PDT). Current time in both locations is 6:32 am.

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Lowest Price Rental Cars in Eureka, CA

Planning on renting a car to go from Eureka, CA to Prospect, OR? Here there are some offers to rent a car in Eureka, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Eureka »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.09 gallons of gas to cover the route between Eureka, CA and Prospect, OR.

The estimated cost of gas to go from Eureka to Prospect is $29.65.

During the route, an average car will release 178.07 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 Eureka, CA and Prospect, OR

If you want to meet halfway between Eureka, CA and Prospect, OR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.947151 and -123.753639, or 41º 56' 49.7436" N, 123º 45' 13.1004" W. This location is 113.15 miles away from Eureka, CA and Prospect, OR and it would take approximately 2 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is O Brien, OR, situated 129 miles from Eureka, CA and 98 miles from Prospect, OR. It would take 2 hours 18 mins to go from Eureka to O Brien and 1 hour 59 mins to go from Prospect to O Brien.