| Watertown Town to Petaluma (California) | 2,684.41 mi (4,320.15 km) |
| Watertown Town to Petersburg (Virginia) | 485.76 mi (781.75 km) |
| Watertown Town to Pflugerville (Texas) | 1,674.17 mi (2,694.32 km) |
| Watertown Town to Pharr (Texas) | 1,892.03 mi (3,044.92 km) |
| Watertown Town to Phelan (California) | 2,536.07 mi (4,081.41 km) |
| Watertown Town to Phenix City (Alabama) | 1,020.53 mi (1,642.38 km) |
| Watertown Town to Philadelphia (Pennsylvania) | 262.55 mi (422.54 km) |
| Watertown Town to Phillipsburg (New Jersey) | 237.43 mi (382.10 km) |
| Watertown Town to Phoenix (Arizona) | 2,285.95 mi (3,678.87 km) |
| Watertown Town to Phoenixville (Pennsylvania) | 273.28 mi (439.80 km) |
| Watertown Town to Picayune (Mississippi) | 1,308.56 mi (2,105.92 km) |
| Watertown Town to Pickerington (Ohio) | 626.50 mi (1,008.26 km) |
| Watertown Town to Pico Rivera (California) | 2,578.85 mi (4,150.26 km) |
| Watertown Town to Piedmont (California) | 2,675.95 mi (4,306.53 km) |
| Watertown Town to Pierre (South Dakota) | 1,462.46 mi (2,353.60 km) |
