
Ontario
United States
Ontario: facts
At a glance
- Country: United States
- Region: California
- Administrative status: populated place (GeoNames code PPL)
- Population: approximately 171,214
- Coordinates: 34.0633° N, 117.6509° W
- Time zone: America/Los_Angeles (UTC-08:00 standard, UTC-07:00 daylight saving time)
- Currency: Dollar (USD)
- Distance to the capital, Washington: 3,641 km (2,262 mi), straight line
Getting there
- Ontario International Airport (ONT): 4.7 km (2.9 mi), straight line
- San Bernardino International Airport (SBD): 38 km (24 mi), straight line
- John Wayne Orange County International Airport (SNA): 48 km (30 mi), straight line
Nearby
- Upland: 3.8 km (2.4 mi)
- Montclair: 3.9 km (2.4 mi)
- Chino: 6.7 km (4.1 mi)
- Rancho Cucamonga: 7.2 km (4.4 mi)
- Claremont: 7.3 km (4.6 mi)
Sources
- Ontario
Coming up in Ontario
- 11 Nov 2026: Veterans Day
- 26 Nov 2026: Thanksgiving Day
- 27 Nov 2026: Black Friday
- 24 Dec 2026: Christmas Eve
- 25 Dec 2026: Christmas Day
- 31 Dec 2026: New Year's Eve
- 1 Jan 2027: New Year's Day
- 18 Jan 2027: Martin Luther King Jr. Day
Guides to Ontario
Map