California

Distance from Daly City to San Mateo

Straight-line distance

12.9mi

Daly City, CA and San Mateo, CA are 12.9 miles (20.8 km) apart in a straight line. From Daly City, the shortest path starts out heading SE (139°).

kilometers
20.8
nautical miles
11.2
heading from Daly City
139° SE
heading from San Mateo
319° NW
Daly CitySan Mateo

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

How far Daly City is from San Mateo

The great-circle distance between the Census internal points of Daly City and San Mateo is 12.9 miles, 20.8 km or 11.2 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 12.9 miles, practically the same at this range.

Measurements

Miles
12.9
Kilometers
20.8
Nautical miles
11.2
Bearing from Daly City
139.1° SE
Bearing arriving at San Mateo
139.2°
Bearing from San Mateo
319.2° NW

Halfway between Daly City and San Mateo

The great-circle midpoint is at 37.631025, -122.387727 (37°37'51.69"N 122°23'15.82"W). The nearest incorporated place of 1,000 or more people is South San Francisco, CA, with 64,660 residents, 1.8 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, Daly City 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

San Mateo has 1.0 times the population of Daly City. From July 2020 to July 2024, Daly City changed by -3.4% and San Mateo by -2.5%. Both are in California.

  1. 01Daly City, CA101,418 (-3.4%)
  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 Daly City from San Mateo?

12.9 miles, 20.8 km or 11.2 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is San Mateo from Daly City?

SE. The great-circle path leaves Daly City on a bearing of 139.1° and arrives at San Mateo on 139.2°. The return trip starts on 319.2°.

What is halfway between Daly City and San Mateo?

The midpoint is at 37.631025, -122.387727. The nearest incorporated place of 1,000+ is South San Francisco, CA, 1.8 miles from it.

Is there a time difference between Daly City and San Mateo?

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

Which is bigger, Daly City or San Mateo?

San Mateo, with 103,006 residents in July 2024 against 101,418 for Daly City, 1.0 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.