California
Distance from San Francisco to Santa Rosa
Straight-line distance
52.7mi
San Francisco, CA and Santa Rosa, CA are 52.7 miles (84.9 km) apart in a straight line. From San Francisco, the shortest path starts out heading NNE (20°).
- kilometers
- 84.9
- nautical miles
- 45.8
- heading from San Francisco
- 20° NNE
- heading from Santa Rosa
- 200° SSW
Orange line: great-circle path · ring: midpoint · thin lines: county borders
How far San Francisco is from Santa Rosa
The great-circle distance between the Census internal points of San Francisco and Santa Rosa is 52.7 miles, 84.9 km or 45.8 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 52.7 miles, practically the same at this range.
Measurements
- Miles
- 52.7
- Kilometers
- 84.9
- Nautical miles
- 45.8
- Bearing from San Francisco
- 19.5° NNE
- Bearing arriving at Santa Rosa
- 19.8°
- Bearing from Santa Rosa
- 199.8° SSW
Halfway between San Francisco and Santa Rosa
The great-circle midpoint is at 38.086613, -122.870001 (38°05'11.81"N 122°52'12.00"W). The nearest incorporated place of 1,000 or more people is Fairfax, CA, with 7,476 residents, 16.4 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, San Francisco gets 14 h 47 min of daylight and Santa Rosa 14 h 51 min; on December 21, 9 h 33 min and 9 h 29 min. Santa Rosa is 0.72° farther north, so it has the longer summer days and the shorter winter ones.
Population compared
San Francisco has 4.7 times the population of Santa Rosa. From July 2020 to July 2024, San Francisco changed by -5.4% and Santa Rosa by -0.3%. Both are in California.
- 01San Francisco, CA827,526 (-5.4%)
- 02Santa Rosa, CA177,524 (-0.3%)
Questions people ask
How far is San Francisco from Santa Rosa?
52.7 miles, 84.9 km or 45.8 nautical miles along the great circle between the two Census internal points. Road distance is longer.
Which direction is Santa Rosa from San Francisco?
NNE. The great-circle path leaves San Francisco on a bearing of 19.5° and arrives at Santa Rosa on 19.8°. The return trip starts on 199.8°.
What is halfway between San Francisco and Santa Rosa?
The midpoint is at 38.086613, -122.870001. The nearest incorporated place of 1,000+ is Fairfax, CA, 16.4 miles from it.
Is there a time difference between San Francisco and Santa Rosa?
Both use America/Los_Angeles, so there is no time difference.
Which is bigger, San Francisco or Santa Rosa?
San Francisco, with 827,526 residents in July 2024 against 177,524 for Santa Rosa, 4.7 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.