Car hire and driving in Ontario, CA
Driving distances to the cities around, the rules that change at the border, and where to compare rental prices.
In United States traffic drives on the right. Picking up at ONT means 5 km (3 mi) into the centre before the trip starts. The emergency number is http://www.wikidata.org/entity/Q533806.
Drives from Ontario
| Route | Country | Distance | Estimated time |
|---|---|---|---|
| Ontario to Rialto | United States | 26 km (16 mi) | about 21 min |
| Ontario to Riverside | United States | 26 km (16 mi) | about 22 min |
| Ontario to West Covina | United States | 27 km (16 mi) | about 22 min |
| Ontario to Fullerton | United States | 33 km (21 mi) | about 27 min |
| Ontario to San Bernardino | United States | 34 km (21 mi) | about 27 min |
| Ontario to El Monte | United States | 35 km (22 mi) | about 28 min |
| Ontario to Anaheim | United States | 35 km (22 mi) | about 29 min |
| Ontario to Orange | United States | 36 km (22 mi) | about 29 min |
| Ontario to Santa Ana | United States | 41 km (25 mi) | about 33 min |
| Ontario to Moreno Valley | United States | 41 km (26 mi) | about 34 min |
| Ontario to Garden Grove | United States | 42 km (26 mi) | about 34 min |
| Ontario to Norwalk | United States | 44 km (27 mi) | about 35 min |
| Ontario to Los Angeles | United States | 55 km (34 mi) | about 44 min |
| Ontario to Tijuana | Mexico | 184 km (114 mi) | about 2 h 29 min |
| Ontario to Phoenix | United States | 520 km (323 mi) | about 7 h 3 min |
| Ontario to Ciudad Juárez | Mexico | 1,076 km (669 mi) | about 14 h 35 min |
| Ontario to San Diego | United States | 156 km (97 mi) | about 2 h 7 min |
| Ontario to Mexicali | Mexico | 259 km (161 mi) | about 3 h 31 min |
| Ontario to San Jose | United States | 529 km (328 mi) | about 7 h 10 min |
| Ontario to Chihuahua | Mexico | 1,252 km (778 mi) | about 16 h 58 min |
Distances are straight-line; road and rail routes run about 15–25% longer. Times are estimates from distance and typical speeds, not timetables.
Where to compare car hire
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Common questions
Which side of the road do they drive on in Ontario?
The right, as everywhere in United States.
How are the journey times on this page worked out?
From straight-line distance and typical speeds for each mode, so they are estimates for planning, not timetables. Road and rail routes run 15–25% longer than the straight line.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.