| Ontario to Live Oak (Texas) | 1,171.00 mi (1,884.54 km) |
| Ontario to Livermore (California) | 342.88 mi (551.82 km) |
| Ontario to Livingston (California) | 290.00 mi (466.70 km) |
| Ontario to Livonia (Michigan) | 1,931.11 mi (3,107.82 km) |
| Ontario to Lochearn (Maryland) | 2,274.50 mi (3,660.46 km) |
| Ontario to Lockhart (Florida) | 2,155.82 mi (3,469.45 km) |
| Ontario to Lockhart (Texas) | 1,200.62 mi (1,932.22 km) |
| Ontario to Lockport (Illinois) | 1,686.98 mi (2,714.93 km) |
| Ontario to Lockport (New York) | 2,171.92 mi (3,495.36 km) |
| Ontario to Lodi (California) | 349.14 mi (561.88 km) |
| Ontario to Lodi (New Jersey) | 2,408.04 mi (3,875.37 km) |
| Ontario to Logan (Utah) | 617.60 mi (993.93 km) |
| Ontario to Logansport (Indiana) | 1,766.84 mi (2,843.45 km) |
| Ontario to Loganville (Georgia) | 1,923.56 mi (3,095.67 km) |
| Ontario to Loma Linda (California) | 20.42 mi (32.86 km) |
