California

Distance from Antioch to Modesto

Straight-line distance

49.3mi

Antioch, CA and Modesto, CA are 49.3 miles (79.3 km) apart in a straight line. From Antioch, the shortest path starts out heading ESE (118°).

kilometers
79.3
nautical miles
42.8
heading from Antioch
118° ESE
heading from Modesto
299° WNW
AntiochModesto

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

How far Antioch is from Modesto

The great-circle distance between the Census internal points of Antioch and Modesto is 49.3 miles, 79.3 km or 42.8 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 49.3 miles, practically the same at this range.

Measurements

Miles
49.3
Kilometers
79.3
Nautical miles
42.8
Bearing from Antioch
118.3° ESE
Bearing arriving at Modesto
118.8°
Bearing from Modesto
298.8° WNW

Halfway between Antioch and Modesto

The great-circle midpoint is at 37.808565, -121.398635 (37°48'30.83"N 121°23'55.09"W). The nearest incorporated place of 1,000 or more people is Lathrop, CA, with 40,860 residents, 4.4 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, Antioch gets 14 h 48 min of daylight and Modesto 14 h 46 min; on December 21, 9 h 32 min and 9 h 34 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

Modesto has 1.9 times the population of Antioch. From July 2020 to July 2024, Antioch changed by +2.7% and Modesto by +0.9%. Both are in California.

  1. 01Antioch, CA118,453 (+2.7%)
  2. 02Modesto, CA220,592 (+0.9%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Antioch from Modesto?

49.3 miles, 79.3 km or 42.8 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Modesto from Antioch?

ESE. The great-circle path leaves Antioch on a bearing of 118.3° and arrives at Modesto on 118.8°. The return trip starts on 298.8°.

What is halfway between Antioch and Modesto?

The midpoint is at 37.808565, -121.398635. The nearest incorporated place of 1,000+ is Lathrop, CA, 4.4 miles from it.

Is there a time difference between Antioch and Modesto?

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

Which is bigger, Antioch or Modesto?

Modesto, with 220,592 residents in July 2024 against 118,453 for Antioch, 1.9 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.