| Watertown Town to Pontedera | 3,953.52 mi (6,362.58 km) |
| Watertown Town to Pontinia | 4,138.60 mi (6,660.43 km) |
| Watertown Town to Porcari | 3,946.71 mi (6,351.62 km) |
| Watertown Town to Porcia | 3,960.10 mi (6,373.17 km) |
| Watertown Town to Pordenone | 3,962.06 mi (6,376.32 km) |
| Watertown Town to Portici | 4,217.39 mi (6,787.24 km) |
| Watertown Town to Porto Empedocle | 4,314.64 mi (6,943.74 km) |
| Watertown Town to Porto Recanati | 4,092.61 mi (6,586.42 km) |
| Watertown Town to Porto Sant'Elpidio | 4,102.19 mi (6,601.84 km) |
| Watertown Town to Porto Tolle | 3,981.97 mi (6,408.36 km) |
| Watertown Town to Porto Torres | 3,951.77 mi (6,359.76 km) |
| Watertown Town to Portoferraio | 3,968.69 mi (6,386.99 km) |
| Watertown Town to Portogruaro | 3,975.40 mi (6,397.78 km) |
| Watertown Town to Portomaggiore | 3,968.48 mi (6,386.65 km) |
| Watertown Town to Potenza | 4,288.46 mi (6,901.61 km) |
