| Ontario to La Quinta (California) | 80.73 mi (129.91 km) |
| Ontario to La Riviera (California) | 376.04 mi (605.19 km) |
| Ontario to La Vergne (Tennessee) | 1,754.52 mi (2,823.62 km) |
| Ontario to La Verne (California) | 10.94 mi (17.60 km) |
| Ontario to La Vista (Nebraska) | 1,273.72 mi (2,049.85 km) |
| Ontario to Lacey (Washington) | 938.49 mi (1,510.36 km) |
| Ontario to Lackawanna (New York) | 2,163.58 mi (3,481.94 km) |
| Ontario to Laconia (New Hampshire) | 2,534.89 mi (4,079.51 km) |
| Ontario to Ladera Ranch (California) | 33.92 mi (54.59 km) |
| Ontario to Ladson (South Carolina) | 2,148.92 mi (3,458.36 km) |
| Ontario to Lady Lake (Florida) | 2,120.81 mi (3,413.12 km) |
| Ontario to Lafayette (California) | 366.69 mi (590.13 km) |
| Ontario to Lafayette (Colorado) | 802.19 mi (1,291.00 km) |
| Ontario to Lafayette (Indiana) | 1,738.25 mi (2,797.44 km) |
| Ontario to Lafayette (Louisiana) | 1,515.58 mi (2,439.10 km) |
