California
Distance from Fontana to Riverside
Straight-line distance
12.5mi
Fontana, CA and Riverside, CA are 12.5 miles (20.1 km) apart in a straight line. From Fontana, the shortest path starts out heading SSE (161°).
- kilometers
- 20.1
- nautical miles
- 10.9
- heading from Fontana
- 161° SSE
- heading from Riverside
- 341° NNW
Orange line: great-circle path · ring: midpoint · thin lines: county borders
How far Fontana is from Riverside
The great-circle distance between the Census internal points of Fontana and Riverside is 12.5 miles, 20.1 km or 10.9 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 12.5 miles, practically the same at this range.
Measurements
- Miles
- 12.5
- Kilometers
- 20.1
- Nautical miles
- 10.9
- Bearing from Fontana
- 161.4° SSE
- Bearing arriving at Riverside
- 161.4°
- Bearing from Riverside
- 341.4° NNW
Halfway between Fontana and Riverside
The great-circle midpoint is at 34.023905, -117.428015 (34°01'26.06"N 117°25'40.85"W). The nearest incorporated place of 1,000 or more people is Jurupa Valley, CA, with 108,154 residents, 2.7 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 Riverside 14 h 25 min; on December 21, 9 h 53 min and 9 h 54 min. The two sit at nearly the same latitude, so their day lengths match closely all year.
Population compared
Riverside has 1.5 times the population of Fontana. From July 2020 to July 2024, Fontana changed by +4.4% and Riverside by +2.6%. Both are in California.
- 01Fontana, CA218,455 (+4.4%)
- 02Riverside, CA323,757 (+2.6%)
Questions people ask
How far is Fontana from Riverside?
12.5 miles, 20.1 km or 10.9 nautical miles along the great circle between the two Census internal points. Road distance is longer.
Which direction is Riverside from Fontana?
SSE. The great-circle path leaves Fontana on a bearing of 161.4° and arrives at Riverside on 161.4°. The return trip starts on 341.4°.
What is halfway between Fontana and Riverside?
The midpoint is at 34.023905, -117.428015. The nearest incorporated place of 1,000+ is Jurupa Valley, CA, 2.7 miles from it.
Is there a time difference between Fontana and Riverside?
Both use America/Los_Angeles, so there is no time difference.
Which is bigger, Fontana or Riverside?
Riverside, with 323,757 residents in July 2024 against 218,455 for Fontana, 1.5 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.
- 01Census 2024 Gazetteer, places
- 02Census Vintage 2024 subcounty population estimates
- 03SunCalc library (Vladimir Agafonkin), algorithms after Jean Meeus
- 04IANA time zone database (clock times and daylight saving rules)
How every number is computed: methodology. Spotted a wrong figure? Report an error.