California

Distance from Chico to Santa Rosa

Straight-line distance

102.5mi

Chico, CA and Santa Rosa, CA are 102.5 miles (164.9 km) apart in a straight line. From Chico, the shortest path starts out heading SSW (208°).

kilometers
164.9
nautical miles
89.0
heading from Chico
208° SSW
heading from Santa Rosa
27° NNE
ChicoSanta Rosa

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

How far Chico is from Santa Rosa

The great-circle distance between the Census internal points of Chico and Santa Rosa is 102.5 miles, 164.9 km or 89.0 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 102.5 miles, practically the same at this range.

Measurements

Miles
102.5
Kilometers
164.9
Nautical miles
89.0
Bearing from Chico
208.0° SSW
Bearing arriving at Santa Rosa
207.4°
Bearing from Santa Rosa
27.4° NNE

Halfway between Chico and Santa Rosa

The great-circle midpoint is at 39.103243, -122.266088 (39°06'11.67"N 122°15'57.92"W). The nearest incorporated place of 1,000 or more people is Williams, CA, with 5,598 residents, 7.5 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, Chico gets 14 h 59 min of daylight and Santa Rosa 14 h 51 min; on December 21, 9 h 21 min and 9 h 29 min. Chico is 1.31° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Santa Rosa has 1.7 times the population of Chico. From July 2020 to July 2024, Chico changed by -0.4% and Santa Rosa by -0.3%. Both are in California.

  1. 01Chico, CA102,911 (-0.4%)
  2. 02Santa Rosa, CA177,524 (-0.3%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Chico from Santa Rosa?

102.5 miles, 164.9 km or 89.0 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Santa Rosa from Chico?

SSW. The great-circle path leaves Chico on a bearing of 208.0° and arrives at Santa Rosa on 207.4°. The return trip starts on 27.4°.

What is halfway between Chico and Santa Rosa?

The midpoint is at 39.103243, -122.266088. The nearest incorporated place of 1,000+ is Williams, CA, 7.5 miles from it.

Is there a time difference between Chico and Santa Rosa?

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

Which is bigger, Chico or Santa Rosa?

Santa Rosa, with 177,524 residents in July 2024 against 102,911 for Chico, 1.7 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.

  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.