Distance between cities › USA › California › Shell Beach, CA › Distance from Shell Beach to Castroville Book Hotels

Distance from Shell Beach, CA to Castroville, CA

Distance

146 mi

Time

2 hours 54 mins

Gas Cost

$22 - $43

There are 126.38 miles from Shell Beach to Castroville in northwest direction and 146 miles (234.96 kilometers) by car, following the US-101 route.

Shell Beach and Castroville are 2 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Shell Beach, CA to Castroville, CA. The halfway point is San Ardo, CA.

Shell Beach, CA and Castroville, CA are in the same time zone (PDT). Current time in both locations is 3:15 am.

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Lowest Price Rental Cars in Shell Beach, CA

Planning on renting a car to go from Shell Beach, CA to Castroville, CA? Here there are some offers to rent a car in Shell Beach, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Shell Beach »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 5.88 gallons of gas to cover the route between Shell Beach, CA and Castroville, CA.

The estimated cost of gas to go from Shell Beach to Castroville is $31.37.

During the route, an average car will release 115.19 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 Shell Beach, CA and Castroville, CA

If you want to meet halfway between Shell Beach, CA and Castroville, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.048553 and -120.964500, or 36º 2' 54.7908" N, 120º 57' 52.2" W. This location is 73.20 miles away from Shell Beach, CA and Castroville, CA and it would take approximately 1 hour 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is San Ardo, CA, situated 72 miles from Shell Beach, CA and 77 miles from Castroville, CA. It would take 1 hour 8 mins to go from Shell Beach to San Ardo and 1 hour 15 mins to go from Castroville to San Ardo.