The flight distance from San Francisco International Airport to Castro Valley, California is:

17 miles / 27 km

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Flight path from SFO to Castro Valley, CA

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Distance from SFO to Castro Valley, CA

The total distance from SFO to Castro Valley, CA is 17 miles.

This is equivalent to 27 kilometers or 15 nautical miles.

Your trip begins at San Francisco International Airport in San Francisco, California.
It ends in Castro Valley, California.

Your flight direction from SFO to Castro Valley, CA is East (72 degrees from North).

The distance calculator helps you figure out how far it is to fly from SFO to Castro Valley, CA. It does this by computing the straight line flying distance ("as the crow flies"). It uses the great circle formula to compute the total travel mileage.

San Francisco International Airport

City: San Francisco
State: California
Zip code: 94128
Country: United States
Category: airports

Castro Valley, California

City: Castro Valley
State: California
Country: United States
Category: cities

Flight distance calculator

Travelmath provides an online flight distance calculator to get the distance between cities. You can also compare all types of locations including airports, cities, states, countries, or zip codes to find the distance between any two points. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips.