Distance between cities › USA › California › Weldon, CA › Distance from Weldon to San Ysidro Book Hotels

Distance from Weldon, CA to San Ysidro, CA

Distance

277 mi

Time

5 hours 36 mins

Gas Cost

$42 - $82

There are 226.35 miles from Weldon to San Ysidro in southeast direction and 277 miles (445.79 kilometers) by car, following the US-395 route.

Weldon and San Ysidro are 5 hours 36 mins far apart, if you drive non-stop .

This is the fastest route from Weldon, CA to San Ysidro, CA. The halfway point is Lytle Creek, CA.

Weldon, CA and San Ysidro, CA are in the same time zone (PDT). Current time in both locations is 11:40 pm.

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Lowest Price Rental Cars in Weldon, CA

Planning on renting a car to go from Weldon, CA to San Ysidro, CA? Here there are some offers to rent a car in Weldon, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Weldon »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 11.12 gallons of gas to cover the route between Weldon, CA and San Ysidro, CA.

The estimated cost of gas to go from Weldon to San Ysidro is $59.36.

During the route, an average car will release 217.95 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 Weldon, CA and San Ysidro, CA

If you want to meet halfway between Weldon, CA and San Ysidro, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 34.342697 and -117.460777, or 34º 20' 33.7092" N, 117º 27' 38.7972" W. This location is 138.50 miles away from Weldon, CA and San Ysidro, CA and it would take approximately 2 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 Lytle Creek, CA, situated 159 miles from Weldon, CA and 140 miles from San Ysidro, CA. It would take 3 hours 3 mins to go from Weldon to Lytle Creek and 2 hours 24 mins to go from San Ysidro to Lytle Creek.

Major City Closest to Halfway Point

The major city closest to the halfway point between Weldon, CA and San Ysidro, CA is Riverside, CA, situated 171 miles from Weldon, CA and 110 miles from San Ysidro, CA. It would take 3 hours 3 mins to go from Weldon to and 1 hour 47 mins to go from San Ysidro to Riverside.