| Ottawa to Los Alamitos (California) | 1,674.50 mi (2,694.85 km) |
| Ottawa to Los Alamos (New Mexico) | 1,012.97 mi (1,630.21 km) |
| Ottawa to Los Altos (California) | 1,787.33 mi (2,876.44 km) |
| Ottawa to Los Angeles (California) | 1,682.61 mi (2,707.91 km) |
| Ottawa to Los Banos (California) | 1,729.29 mi (2,783.02 km) |
| Ottawa to Los Gatos (California) | 1,783.23 mi (2,869.84 km) |
| Ottawa to Los Lunas (New Mexico) | 1,073.27 mi (1,727.26 km) |
| Ottawa to Los Osos (California) | 1,773.09 mi (2,853.51 km) |
| Ottawa to Loudoun Valley Estates (Virginia) | 619.39 mi (996.81 km) |
| Ottawa to Louisville (Colorado) | 859.28 mi (1,382.88 km) |
| Ottawa to Louisville (Kentucky) | 277.51 mi (446.62 km) |
| Ottawa to Lovejoy (Georgia) | 599.89 mi (965.43 km) |
| Ottawa to Loveland (Colorado) | 849.33 mi (1,366.87 km) |
| Ottawa to Loveland (Ohio) | 279.85 mi (450.37 km) |
| Ottawa to Loves Park (Illinois) | 68.35 mi (109.99 km) |
