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

Distance from Oceanside, CA to Monarch Beach, CA

Distance

31 mi

Time

41 minutes

Gas Cost

$5 - $9

There are 27.78 miles from Oceanside to Monarch Beach in northwest direction and 31 miles (49.89 kilometers) by car, following the I-5 route.

Oceanside and Monarch Beach are 41 minutes far apart, if you drive non-stop .

This is the fastest route from Oceanside, CA to Monarch Beach, CA.

Oceanside, CA and Monarch Beach, CA are in the same time zone (PDT). Current time in both locations is 1:31 pm.

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Lowest Price Rental Cars in Oceanside, CA

Planning on renting a car to go from Oceanside, CA to Monarch Beach, 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 1.24 gallons of gas to cover the route between Oceanside, CA and Monarch Beach, CA.

The estimated cost of gas to go from Oceanside to Monarch Beach is $6.60.

During the route, an average car will release 24.23 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 Monarch Beach, CA

If you want to meet halfway between Oceanside, CA and Monarch Beach, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.361942 and -117.539345, or 33º 21' 42.9912" N, 117º 32' 21.642" W. This location is 15.40 miles away from Oceanside, CA and Monarch Beach, CA and it would take approximately 20 minutes to reach the halfway point from both locations.