| Ontario to Alachua (Florida) | 2,070.82 mi (3,332.67 km) |
| Ontario to Alafaya (Florida) | 2,172.32 mi (3,496.00 km) |
| Ontario to Alameda (California) | 366.46 mi (589.76 km) |
| Ontario to Alamo (California) | 360.83 mi (580.71 km) |
| Ontario to Alamo (Texas) | 1,282.21 mi (2,063.51 km) |
| Ontario to Alamogordo (New Mexico) | 675.53 mi (1,087.16 km) |
| Ontario to Albany (California) | 373.69 mi (601.39 km) |
| Ontario to Albany (Georgia) | 1,940.22 mi (3,122.48 km) |
| Ontario to Albany (New York) | 2,418.68 mi (3,892.49 km) |
| Ontario to Albany (Oregon) | 787.71 mi (1,267.70 km) |
| Ontario to Albemarle (North Carolina) | 2,114.63 mi (3,403.17 km) |
| Ontario to Albert Lea (Minnesota) | 1,456.45 mi (2,343.93 km) |
| Ontario to Albertville (Alabama) | 1,788.01 mi (2,877.52 km) |
| Ontario to Albuquerque (New Mexico) | 627.54 mi (1,009.93 km) |
| Ontario to Alcoa (Tennessee) | 1,899.81 mi (3,057.45 km) |
