California

Distance from Fontana to Rialto

Straight-line distance

4.3mi

Fontana, CA and Rialto, CA are 4.3 miles (6.8 km) apart in a straight line. From Fontana, the shortest path starts out heading E (83°).

kilometers
6.8
nautical miles
3.7
heading from Fontana
83° E
heading from Rialto
263° W
FontanaRialto

Orange line: great-circle path · ring: midpoint

How far Fontana is from Rialto

The great-circle distance between the Census internal points of Fontana and Rialto is 4.3 miles, 6.8 km or 3.7 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 4.2 miles, practically the same at this range.

Measurements

Miles
4.3
Kilometers
6.8
Nautical miles
3.7
Bearing from Fontana
82.8° E
Bearing arriving at Rialto
82.8°
Bearing from Rialto
262.8° W

Halfway between Fontana and Rialto

The great-circle midpoint is at 34.113556, -117.426052 (34°06'48.80"N 117°25'33.79"W). The nearest incorporated place of 1,000 or more people is Fontana, CA, with 218,455 residents, 2.1 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, Fontana 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

Fontana has 2.1 times the population of Rialto. From July 2020 to July 2024, Fontana changed by +4.4% and Rialto by +0.9%. Both are in California.

  1. 01Fontana, CA218,455 (+4.4%)
  2. 02Rialto, CA104,918 (+0.9%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Fontana from Rialto?

4.3 miles, 6.8 km or 3.7 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Rialto from Fontana?

E. The great-circle path leaves Fontana on a bearing of 82.8° and arrives at Rialto on 82.8°. The return trip starts on 262.8°.

What is halfway between Fontana and Rialto?

The midpoint is at 34.113556, -117.426052. The nearest incorporated place of 1,000+ is Fontana, CA, 2.1 miles from it.

Is there a time difference between Fontana and Rialto?

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

Which is bigger, Fontana or Rialto?

Fontana, with 218,455 residents in July 2024 against 104,918 for Rialto, 2.1 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.