California

Distance from Rancho Cucamonga to Rialto

Straight-line distance

10.2mi

Rancho Cucamonga, CA and Rialto, CA are 10.2 miles (16.4 km) apart in a straight line. From Rancho Cucamonga, the shortest path starts out heading E (95°).

kilometers
16.4
nautical miles
8.8
heading from Rancho Cucamonga
95° E
heading from Rialto
275° W
Rancho CucamongaRialto

Orange line: great-circle path · ring: midpoint

How far Rancho Cucamonga is from Rialto

The great-circle distance between the Census internal points of Rancho Cucamonga and Rialto is 10.2 miles, 16.4 km or 8.8 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 10.2 miles, practically the same at this range.

Measurements

Miles
10.2
Kilometers
16.4
Nautical miles
8.8
Bearing from Rancho Cucamonga
95.0° E
Bearing arriving at Rialto
95.1°
Bearing from Rialto
275.1° W

Halfway between Rancho Cucamonga and Rialto

The great-circle midpoint is at 34.123882, -117.477643 (34°07'25.97"N 117°28'39.52"W). The nearest incorporated place of 1,000 or more people is Fontana, CA, with 218,455 residents, 1.3 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 Rialto 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

Rancho Cucamonga has 1.7 times the population of Rialto. From July 2020 to July 2024, Rancho Cucamonga changed by +1.1% and Rialto by +0.9%. Both are in California.

  1. 01Rancho Cucamonga, CA176,675 (+1.1%)
  2. 02Rialto, CA104,918 (+0.9%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Rancho Cucamonga from Rialto?

10.2 miles, 16.4 km or 8.8 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Rialto from Rancho Cucamonga?

E. The great-circle path leaves Rancho Cucamonga on a bearing of 95.0° and arrives at Rialto on 95.1°. The return trip starts on 275.1°.

What is halfway between Rancho Cucamonga and Rialto?

The midpoint is at 34.123882, -117.477643. The nearest incorporated place of 1,000+ is Fontana, CA, 1.3 miles from it.

Is there a time difference between Rancho Cucamonga and Rialto?

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

Which is bigger, Rancho Cucamonga or Rialto?

Rancho Cucamonga, with 176,675 residents in July 2024 against 104,918 for Rialto, 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.