| Ontario to Leland (North Carolina) | 2,249.26 mi (3,619.83 km) |
| Ontario to Lemay (Missouri) | 1,547.00 mi (2,489.65 km) |
| Ontario to Lemon Grove (California) | 96.09 mi (154.65 km) |
| Ontario to Lemon Hill (California) | 376.38 mi (605.73 km) |
| Ontario to Lemont (Illinois) | 1,690.10 mi (2,719.95 km) |
| Ontario to Lemoore (California) | 199.02 mi (320.30 km) |
| Ontario to Lenexa (Kansas) | 1,307.56 mi (2,104.32 km) |
| Ontario to Lennox (California) | 43.66 mi (70.26 km) |
| Ontario to Lenoir (North Carolina) | 2,035.28 mi (3,275.47 km) |
| Ontario to Leominster (Massachusetts) | 2,521.99 mi (4,058.76 km) |
| Ontario to Leon Valley (Texas) | 1,157.00 mi (1,862.01 km) |
| Ontario to Levelland (Texas) | 874.84 mi (1,407.92 km) |
| Ontario to Levittown (New York) | 2,438.36 mi (3,924.16 km) |
| Ontario to Levittown (Pennsylvania) | 2,370.46 mi (3,814.89 km) |
| Ontario to Lewisburg (Tennessee) | 1,745.20 mi (2,808.62 km) |
