California to Hawaii

Distance from Santa Rosa to Urban Honolulu

Straight-line distance

2,393.6mi

Santa Rosa, CA and Urban Honolulu, HI are 2,393.6 miles (3,852.2 km) apart in a straight line. From Santa Rosa, the shortest path starts out heading WSW (251°).

kilometers
3,852.2
nautical miles
2,080.0
heading from Santa Rosa
251° WSW
heading from Urban Honolulu
52° NE
Santa RosaUrban Honolulu

Orange line: great-circle path · ring: midpoint

How far Santa Rosa is from Urban Honolulu

The great-circle distance between the Census internal points of Santa Rosa and Urban Honolulu is 2,393.6 miles, 3,852.2 km or 2,080.0 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 2,403.4 miles, 9.8 miles longer.

Measurements

Miles
2,393.6
Kilometers
3,852.2
Nautical miles
2,080.0
Bearing from Santa Rosa
250.6° WSW
Bearing arriving at Urban Honolulu
232.5°
Bearing from Urban Honolulu
52.5° NE

Halfway between Santa Rosa and Urban Honolulu

The great-circle midpoint is at 31.072155, -141.846050 (31°04'19.76"N 141°50'45.78"W). The nearest incorporated place of 1,000 or more people is San Francisco, CA, with 827,526 residents, 1,164.2 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Santa Rosa 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, Santa Rosa gets 14 h 51 min of daylight and Urban Honolulu 13 h 26 min; on December 21, 9 h 29 min and 10 h 50 min. Santa Rosa is 17.12° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Urban Honolulu has 1.9 times the population of Santa Rosa. From July 2020 to July 2024, Santa Rosa changed by -0.3% and Urban Honolulu by -1.0%. The trip crosses from California into Hawaii.

  1. 01Santa Rosa, CA177,524 (-0.3%)
  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 Santa Rosa from Urban Honolulu?

2,393.6 miles, 3,852.2 km or 2,080.0 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Urban Honolulu from Santa Rosa?

WSW. The great-circle path leaves Santa Rosa on a bearing of 250.6° and arrives at Urban Honolulu on 232.5°. The return trip starts on 52.5°.

What is halfway between Santa Rosa and Urban Honolulu?

The midpoint is at 31.072155, -141.846050. The nearest incorporated place of 1,000+ is San Francisco, CA, 1,164.2 miles from it.

Is there a time difference between Santa Rosa and Urban Honolulu?

Santa Rosa 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, Santa Rosa or Urban Honolulu?

Urban Honolulu, with 344,967 residents in July 2024 against 177,524 for Santa Rosa, 1.9 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.