| Watertown Town to Bierun | 4,076.85 mi (6,561.06 km) |
| Watertown Town to Bierun Stary | 4,078.11 mi (6,563.08 km) |
| Watertown Town to Bilgoraj | 4,198.57 mi (6,756.95 km) |
| Watertown Town to Biskupiec | 4,016.42 mi (6,463.81 km) |
| Watertown Town to Blachownia | 4,049.15 mi (6,516.48 km) |
| Watertown Town to Blonie | 4,061.33 mi (6,536.07 km) |
| Watertown Town to Bochnia | 4,132.92 mi (6,651.30 km) |
| Watertown Town to Bogatynia | 3,891.83 mi (6,263.30 km) |
| Watertown Town to Boguszow-Gorce | 3,944.25 mi (6,347.66 km) |
| Watertown Town to Boleslawiec | 3,903.69 mi (6,282.38 km) |
| Watertown Town to Braniewo | 3,958.96 mi (6,371.34 km) |
| Watertown Town to Brodnica | 3,980.72 mi (6,406.34 km) |
| Watertown Town to Brwinow | 4,067.02 mi (6,545.23 km) |
| Watertown Town to Brzeg | 3,990.01 mi (6,421.31 km) |
| Watertown Town to Brzeg Dolny | 3,947.55 mi (6,352.97 km) |
