| Watertown Town to Nowy Dwor Mazowiecki | 4,056.85 mi (6,528.87 km) |
| Watertown Town to Nowy Sacz | 4,155.93 mi (6,688.32 km) |
| Watertown Town to Nowy Targ | 4,135.58 mi (6,655.58 km) |
| Watertown Town to Nowy Tomysl | 3,891.46 mi (6,262.69 km) |
| Watertown Town to Nysa | 3,997.63 mi (6,433.57 km) |
| Watertown Town to Oborniki | 3,906.25 mi (6,286.51 km) |
| Watertown Town to Oborniki Slaskie | 3,953.50 mi (6,362.55 km) |
| Watertown Town to Olawa | 3,980.80 mi (6,406.47 km) |
| Watertown Town to Olecko | 4,064.62 mi (6,541.38 km) |
| Watertown Town to Olesnica | 3,975.04 mi (6,397.21 km) |
| Watertown Town to Olesno | 4,025.18 mi (6,477.91 km) |
| Watertown Town to Olkusz | 4,089.36 mi (6,581.18 km) |
| Watertown Town to Olsztyn | 4,002.14 mi (6,440.82 km) |
| Watertown Town to Opalenica | 3,902.23 mi (6,280.04 km) |
| Watertown Town to Opoczno | 4,077.94 mi (6,562.81 km) |
