| Watertown Town to Los Alamitos (California) | 2,583.45 mi (4,157.66 km) |
| Watertown Town to Los Alamos (New Mexico) | 1,919.59 mi (3,089.28 km) |
| Watertown Town to Los Altos (California) | 2,681.79 mi (4,315.92 km) |
| Watertown Town to Los Angeles (California) | 2,591.16 mi (4,170.07 km) |
| Watertown Town to Los Banos (California) | 2,627.11 mi (4,227.93 km) |
| Watertown Town to Los Gatos (California) | 2,678.59 mi (4,310.77 km) |
| Watertown Town to Los Lunas (New Mexico) | 1,976.57 mi (3,180.98 km) |
| Watertown Town to Los Osos (California) | 2,677.40 mi (4,308.85 km) |
| Watertown Town to Loudoun Valley Estates (Virginia) | 405.91 mi (653.26 km) |
| Watertown Town to Louisville (Colorado) | 1,762.58 mi (2,836.61 km) |
| Watertown Town to Louisville (Kentucky) | 815.04 mi (1,311.67 km) |
| Watertown Town to Lovejoy (Georgia) | 943.32 mi (1,518.13 km) |
| Watertown Town to Loveland (Colorado) | 1,749.89 mi (2,816.18 km) |
| Watertown Town to Loveland (Ohio) | 716.66 mi (1,153.35 km) |
| Watertown Town to Loves Park (Illinois) | 908.23 mi (1,461.66 km) |
