California
Distance from Richmond to Santa Rosa
Straight-line distance
38.9mi
Richmond, CA and Santa Rosa, CA are 38.9 miles (62.6 km) apart in a straight line. From Richmond, the shortest path starts out heading NNW (331°).
- kilometers
- 62.6
- nautical miles
- 33.8
- heading from Richmond
- 331° NNW
- heading from Santa Rosa
- 151° SSE
Orange line: great-circle path · ring: midpoint · thin lines: county borders
How far Richmond is from Santa Rosa
The great-circle distance between the Census internal points of Richmond and Santa Rosa is 38.9 miles, 62.6 km or 33.8 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 38.9 miles, practically the same at this range.
Measurements
- Miles
- 38.9
- Kilometers
- 62.6
- Nautical miles
- 33.8
- Bearing from Richmond
- 331.3° NNW
- Bearing arriving at Santa Rosa
- 331.1°
- Bearing from Santa Rosa
- 151.1° SSE
Halfway between Richmond and Santa Rosa
The great-circle midpoint is at 38.199177, -122.532814 (38°11'57.04"N 122°31'58.13"W). The nearest incorporated place of 1,000 or more people is Petaluma, CA, with 59,393 residents, 6.0 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, Richmond gets 14 h 48 min of daylight and Santa Rosa 14 h 51 min; on December 21, 9 h 32 min and 9 h 29 min. The two sit at nearly the same latitude, so their day lengths match closely all year.
Population compared
Santa Rosa has 1.5 times the population of Richmond. From July 2020 to July 2024, Richmond changed by -0.7% and Santa Rosa by -0.3%. Both are in California.
- 01Richmond, CA115,353 (-0.7%)
- 02Santa Rosa, CA177,524 (-0.3%)
Questions people ask
How far is Richmond from Santa Rosa?
38.9 miles, 62.6 km or 33.8 nautical miles along the great circle between the two Census internal points. Road distance is longer.
Which direction is Santa Rosa from Richmond?
NNW. The great-circle path leaves Richmond on a bearing of 331.3° and arrives at Santa Rosa on 331.1°. The return trip starts on 151.1°.
What is halfway between Richmond and Santa Rosa?
The midpoint is at 38.199177, -122.532814. The nearest incorporated place of 1,000+ is Petaluma, CA, 6.0 miles from it.
Is there a time difference between Richmond and Santa Rosa?
Both use America/Los_Angeles, so there is no time difference.
Which is bigger, Richmond or Santa Rosa?
Santa Rosa, with 177,524 residents in July 2024 against 115,353 for Richmond, 1.5 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.
- 01Census 2024 Gazetteer, places
- 02Census Vintage 2024 subcounty population estimates
- 03SunCalc library (Vladimir Agafonkin), algorithms after Jean Meeus
- 04IANA time zone database (clock times and daylight saving rules)
How every number is computed: methodology. Spotted a wrong figure? Report an error.