California

Distance from Oakland to San Mateo

Straight-line distance

15.2mi

Oakland, CA and San Mateo, CA are 15.2 miles (24.5 km) apart in a straight line. From Oakland, the shortest path starts out heading SSW (198°).

kilometers
24.5
nautical miles
13.2
heading from Oakland
198° SSW
heading from San Mateo
18° NNE
OaklandSan Mateo

Orange line: great-circle path · ring: midpoint · thin lines: county borders

How far Oakland is from San Mateo

The great-circle distance between the Census internal points of Oakland and San Mateo is 15.2 miles, 24.5 km or 13.2 nautical miles. That is the shortest path over the Earth's surface, computed with the haversine formula on a sphere with the mean Earth radius, 6,371.0 km. A course held on one compass bearing (a rhumb line) would be 15.2 miles, practically the same at this range.

Measurements

Miles
15.2
Kilometers
24.5
Nautical miles
13.2
Bearing from Oakland
197.8° SSW
Bearing arriving at San Mateo
197.8°
Bearing from San Mateo
17.8° NNE

Halfway between Oakland and San Mateo

The great-circle midpoint is at 37.665058, -122.268210 (37°39'54.21"N 122°16'5.56"W). The nearest incorporated place of 1,000 or more people is Alameda, CA, with 78,795 residents, 5.3 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Both use America/Los_Angeles, so there is no time difference. On June 21, Oakland gets 14 h 47 min of daylight and San Mateo 14 h 46 min; on December 21, 9 h 33 min and 9 h 34 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Oakland has 4.3 times the population of San Mateo. From July 2020 to July 2024, Oakland changed by +0.6% and San Mateo by -2.5%. Both are in California.

  1. 01Oakland, CA443,554 (+0.6%)
  2. 02San Mateo, CA103,006 (-2.5%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Oakland from San Mateo?

15.2 miles, 24.5 km or 13.2 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is San Mateo from Oakland?

SSW. The great-circle path leaves Oakland on a bearing of 197.8° and arrives at San Mateo on 197.8°. The return trip starts on 17.8°.

What is halfway between Oakland and San Mateo?

The midpoint is at 37.665058, -122.268210. The nearest incorporated place of 1,000+ is Alameda, CA, 5.3 miles from it.

Is there a time difference between Oakland and San Mateo?

Both use America/Los_Angeles, so there is no time difference.

Which is bigger, Oakland or San Mateo?

Oakland, with 443,554 residents in July 2024 against 103,006 for San Mateo, 4.3 times as many.

Sources and data as of

Data as of: Census 2024 Gazetteer internal points and Vintage 2024 estimates; time zones from Open-Meteo.

  1. 01Census 2024 Gazetteer, places
  2. 02Census Vintage 2024 subcounty population estimates
  3. 03SunCalc library (Vladimir Agafonkin), algorithms after Jean Meeus
  4. 04IANA time zone database (clock times and daylight saving rules)

How every number is computed: methodology. Spotted a wrong figure? Report an error.