Ontario International Airport (ONT / KONT) is a large airport serving Ontario, California. It sits 944 feet above sea level and has 2 runways, the longest 12,197 feet. The largest population centre nearby is Los Angeles, CA — the airport lies about 37 miles east of it in a straight line.
The 10 largest population centres within 90 miles of ONT. Distances below are straight-line; the road route is always longer. Select a city to calculate its real driving time and distance to the airport.
| City | Straight line | Airport lies | |
|---|---|---|---|
| Fontana, CA | 9.8 mi | west | Get drive time → |
| Riverside, CA | 14 mi | north-west | Get drive time → |
| San Bernardino, CA | 18 mi | west | Get drive time → |
| Moreno Valley, CA | 23 mi | west | Get drive time → |
| Anaheim, CA | 24 mi | north-east | Get drive time → |
| Santa Ana, CA | 26 mi | north-east | Get drive time → |
| Irvine, CA | 28 mi | north-east | Get drive time → |
| Los Angeles, CA | 37 mi | east | Get drive time → |
| Glendale, CA | 38 mi | east | Get drive time → |
| Long Beach, CA | 39 mi | north-east | Get drive time → |
Within 200 miles, straight-line. A slightly farther airport is sometimes the shorter drive — check both before you book.
Airport, runway and elevation figures come from the OurAirports open database. Routes are calculated to the airport's map reference point, which at a large airport may sit a few minutes from your specific terminal.
Leave home drive time + 2 hours before a domestic departure from ONT, or drive time + 3 hours before an international one.
Those buffers cover bag drop, security and the walk to the gate, but not getting from your car to the terminal — at a large airport like ONT, allow another 15–30 minutes to park and ride in, or 30–45 if you are returning a rental car. The drive estimate above is free-flow and does not model live traffic. Full guide to timing your departure →
It depends on your starting point. Enter your address in the calculator on this page and you'll get a road-distance driving estimate to Ontario International Airport, plus the option to start from any of the 10 nearby cities listed above.
Ontario International Airport uses the IATA code ONT and the ICAO code KONT. It is classified as a large airport and sits at 944 feet above sea level.
Los Angeles, CA is about 37 miles from ONT in a straight line. Road distance is longer — use the calculator above with Los Angeles as your starting point for the actual driving time.
Within 200 miles: SBD (21 mi), SNA (30 mi), LGB (36 mi), HHR (43 mi). Distances are straight-line, so compare the actual drive times before choosing — a closer airport is not always a shorter drive.
Work backwards from your departure time: subtract two hours for a domestic flight (three for international), then subtract your drive time to ONT. The calculator on this page does that arithmetic for you once you enter your starting address, and adds the parking and shuttle time you should allow on top.