California

Distance from Pomona to Rancho Cucamonga

Straight-line distance

12.2mi

Pomona, CA and Rancho Cucamonga, CA are 12.2 miles (19.7 km) apart in a straight line. From Pomona, the shortest path starts out heading ENE (66°).

kilometers
19.7
nautical miles
10.6
heading from Pomona
66° ENE
heading from Rancho Cucamonga
246° WSW
PomonaRancho Cucamonga

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

How far Pomona is from Rancho Cucamonga

The great-circle distance between the Census internal points of Pomona and Rancho Cucamonga is 12.2 miles, 19.7 km or 10.6 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 12.2 miles, practically the same at this range.

Measurements

Miles
12.2
Kilometers
19.7
Nautical miles
10.6
Bearing from Pomona
66.0° ENE
Bearing arriving at Rancho Cucamonga
66.1°
Bearing from Rancho Cucamonga
246.1° WSW

Halfway between Pomona and Rancho Cucamonga

The great-circle midpoint is at 34.094439, -117.663641 (34°05'39.98"N 117°39'49.11"W). The nearest incorporated place of 1,000 or more people is Upland, CA, with 79,684 residents, 1.5 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, Pomona gets 14 h 26 min of daylight and Rancho Cucamonga 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 1.2 times the population of Pomona. From July 2020 to July 2024, Pomona changed by -2.1% and Rancho Cucamonga by +1.1%. Both are in California.

  1. 01Pomona, CA147,966 (-2.1%)
  2. 02Rancho Cucamonga, CA176,675 (+1.1%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Pomona from Rancho Cucamonga?

12.2 miles, 19.7 km or 10.6 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Rancho Cucamonga from Pomona?

ENE. The great-circle path leaves Pomona on a bearing of 66.0° and arrives at Rancho Cucamonga on 66.1°. The return trip starts on 246.1°.

What is halfway between Pomona and Rancho Cucamonga?

The midpoint is at 34.094439, -117.663641. The nearest incorporated place of 1,000+ is Upland, CA, 1.5 miles from it.

Is there a time difference between Pomona and Rancho Cucamonga?

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

Which is bigger, Pomona or Rancho Cucamonga?

Rancho Cucamonga, with 176,675 residents in July 2024 against 147,966 for Pomona, 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.