California

Distance from Antioch to Vacaville

Straight-line distance

27.9mi

Antioch, CA and Vacaville, CA are 27.9 miles (44.9 km) apart in a straight line. From Antioch, the shortest path starts out heading NNW (340°).

kilometers
44.9
nautical miles
24.2
heading from Antioch
340° NNW
heading from Vacaville
160° SSE
AntiochVacaville

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

How far Antioch is from Vacaville

The great-circle distance between the Census internal points of Antioch and Vacaville is 27.9 miles, 44.9 km or 24.2 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 27.9 miles, practically the same at this range.

Measurements

Miles
27.9
Kilometers
44.9
Nautical miles
24.2
Bearing from Antioch
340.4° NNW
Bearing arriving at Vacaville
340.3°
Bearing from Vacaville
160.3° SSE

Halfway between Antioch and Vacaville

The great-circle midpoint is at 38.168482, -121.882125 (38°10'6.53"N 121°52'55.65"W). The nearest incorporated place of 1,000 or more people is Suisun City, CA, with 29,614 residents, 8.9 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, Antioch gets 14 h 48 min of daylight and Vacaville 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

Antioch has 1.1 times the population of Vacaville. From July 2020 to July 2024, Antioch changed by +2.7% and Vacaville by +1.8%. Both are in California.

  1. 01Antioch, CA118,453 (+2.7%)
  2. 02Vacaville, CA103,994 (+1.8%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Antioch from Vacaville?

27.9 miles, 44.9 km or 24.2 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Vacaville from Antioch?

NNW. The great-circle path leaves Antioch on a bearing of 340.4° and arrives at Vacaville on 340.3°. The return trip starts on 160.3°.

What is halfway between Antioch and Vacaville?

The midpoint is at 38.168482, -121.882125. The nearest incorporated place of 1,000+ is Suisun City, CA, 8.9 miles from it.

Is there a time difference between Antioch and Vacaville?

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

Which is bigger, Antioch or Vacaville?

Antioch, with 118,453 residents in July 2024 against 103,994 for Vacaville, 1.1 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.