California to Hawaii

Distance from San Mateo to Urban Honolulu

Straight-line distance

2,394.5mi

San Mateo, CA and Urban Honolulu, HI are 2,394.5 miles (3,853.6 km) apart in a straight line. From San Mateo, the shortest path starts out heading WSW (252°).

kilometers
3,853.6
nautical miles
2,080.8
heading from San Mateo
252° WSW
heading from Urban Honolulu
54° NE
San MateoUrban Honolulu

Orange line: great-circle path · ring: midpoint

How far San Mateo is from Urban Honolulu

The great-circle distance between the Census internal points of San Mateo and Urban Honolulu is 2,394.5 miles, 3,853.6 km or 2,080.8 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 2,404.3 miles, 9.7 miles longer.

Measurements

Miles
2,394.5
Kilometers
3,853.6
Nautical miles
2,080.8
Bearing from San Mateo
252.2° WSW
Bearing arriving at Urban Honolulu
234.1°
Bearing from Urban Honolulu
54.1° NE

Halfway between San Mateo and Urban Honolulu

The great-circle midpoint is at 30.647640, -141.557069 (30°38'51.50"N 141°33'25.45"W). The nearest incorporated place of 1,000 or more people is San Francisco, CA, with 827,526 residents, 1,163.5 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

San Mateo uses America/Los_Angeles and Urban Honolulu uses Pacific/Honolulu. In January Urban Honolulu is 2 hours behind, and in July 3 hours behind, because only one of them observes daylight saving time. On June 21, San Mateo gets 14 h 46 min of daylight and Urban Honolulu 13 h 26 min; on December 21, 9 h 34 min and 10 h 50 min. San Mateo is 16.24° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Urban Honolulu has 3.3 times the population of San Mateo. From July 2020 to July 2024, San Mateo changed by -2.5% and Urban Honolulu by -1.0%. The trip crosses from California into Hawaii.

  1. 01San Mateo, CA103,006 (-2.5%)
  2. 02Urban Honolulu, HI344,967 (-1.0%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is San Mateo from Urban Honolulu?

2,394.5 miles, 3,853.6 km or 2,080.8 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Urban Honolulu from San Mateo?

WSW. The great-circle path leaves San Mateo on a bearing of 252.2° and arrives at Urban Honolulu on 234.1°. The return trip starts on 54.1°.

What is halfway between San Mateo and Urban Honolulu?

The midpoint is at 30.647640, -141.557069. The nearest incorporated place of 1,000+ is San Francisco, CA, 1,163.5 miles from it.

Is there a time difference between San Mateo and Urban Honolulu?

San Mateo uses America/Los_Angeles and Urban Honolulu uses Pacific/Honolulu. In January Urban Honolulu is 2 hours behind, and in July 3 hours behind, because only one of them observes daylight saving time.

Which is bigger, San Mateo or Urban Honolulu?

Urban Honolulu, with 344,967 residents in July 2024 against 103,006 for San Mateo, 3.3 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.