California

Distance from Rancho Cucamonga to San Bernardino

Straight-line distance

15.5mi

Rancho Cucamonga, CA and San Bernardino, CA are 15.5 miles (25.0 km) apart in a straight line. From Rancho Cucamonga, the shortest path starts out heading E (87°).

kilometers
25.0
nautical miles
13.5
heading from Rancho Cucamonga
87° E
heading from San Bernardino
267° W
Rancho CucamongaSan Bernardino

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

How far Rancho Cucamonga is from San Bernardino

The great-circle distance between the Census internal points of Rancho Cucamonga and San Bernardino is 15.5 miles, 25.0 km or 13.5 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 15.5 miles, practically the same at this range.

Measurements

Miles
15.5
Kilometers
25.0
Nautical miles
13.5
Bearing from Rancho Cucamonga
87.2° E
Bearing arriving at San Bernardino
87.3°
Bearing from San Bernardino
267.3° W

Halfway between Rancho Cucamonga and San Bernardino

The great-circle midpoint is at 34.135775, -117.430359 (34°08'8.79"N 117°25'49.29"W). The nearest incorporated place of 1,000 or more people is Fontana, CA, with 218,455 residents, 2.6 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, Rancho Cucamonga gets 14 h 26 min of daylight and San Bernardino 14 h 26 min; on December 21, 9 h 53 min and 9 h 53 min. The two sit at nearly the same latitude, so their day lengths match closely all year.

Population compared

San Bernardino has 1.3 times the population of Rancho Cucamonga. From July 2020 to July 2024, Rancho Cucamonga changed by +1.1% and San Bernardino by +1.2%. Both are in California.

  1. 01Rancho Cucamonga, CA176,675 (+1.1%)
  2. 02San Bernardino, CA224,775 (+1.2%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Rancho Cucamonga from San Bernardino?

15.5 miles, 25.0 km or 13.5 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is San Bernardino from Rancho Cucamonga?

E. The great-circle path leaves Rancho Cucamonga on a bearing of 87.2° and arrives at San Bernardino on 87.3°. The return trip starts on 267.3°.

What is halfway between Rancho Cucamonga and San Bernardino?

The midpoint is at 34.135775, -117.430359. The nearest incorporated place of 1,000+ is Fontana, CA, 2.6 miles from it.

Is there a time difference between Rancho Cucamonga and San Bernardino?

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

Which is bigger, Rancho Cucamonga or San Bernardino?

San Bernardino, with 224,775 residents in July 2024 against 176,675 for Rancho Cucamonga, 1.3 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.