California

Distance from Vacaville to Vallejo

Straight-line distance

23.6mi

Vacaville, CA and Vallejo, CA are 23.6 miles (38.0 km) apart in a straight line. From Vacaville, the shortest path starts out heading SW (223°).

kilometers
38.0
nautical miles
20.5
heading from Vacaville
223° SW
heading from Vallejo
42° NE
VacavilleVallejo

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

How far Vacaville is from Vallejo

The great-circle distance between the Census internal points of Vacaville and Vallejo is 23.6 miles, 38.0 km or 20.5 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 23.6 miles, practically the same at this range.

Measurements

Miles
23.6
Kilometers
38.0
Nautical miles
20.5
Bearing from Vacaville
222.6° SW
Bearing arriving at Vallejo
222.4°
Bearing from Vallejo
42.4° NE

Halfway between Vacaville and Vallejo

The great-circle midpoint is at 38.232841, -122.115704 (38°13'58.23"N 122°06'56.53"W). The nearest incorporated place of 1,000 or more people is Fairfield, CA, with 122,646 residents, 5.0 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, Vacaville gets 14 h 51 min of daylight and Vallejo 14 h 49 min; on December 21, 9 h 29 min and 9 h 31 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Vallejo has 1.2 times the population of Vacaville. From July 2020 to July 2024, Vacaville changed by +1.8% and Vallejo by -1.9%. Both are in California.

  1. 01Vacaville, CA103,994 (+1.8%)
  2. 02Vallejo, CA123,475 (-1.9%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Vacaville from Vallejo?

23.6 miles, 38.0 km or 20.5 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Vallejo from Vacaville?

SW. The great-circle path leaves Vacaville on a bearing of 222.6° and arrives at Vallejo on 222.4°. The return trip starts on 42.4°.

What is halfway between Vacaville and Vallejo?

The midpoint is at 38.232841, -122.115704. The nearest incorporated place of 1,000+ is Fairfield, CA, 5.0 miles from it.

Is there a time difference between Vacaville and Vallejo?

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

Which is bigger, Vacaville or Vallejo?

Vallejo, with 123,475 residents in July 2024 against 103,994 for Vacaville, 1.2 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.