| Watertown Town to Barberino di Mugello | 3,968.23 mi (6,386.25 km) |
| Watertown Town to Barcellona-Pozzo di Gotto | 4,358.02 mi (7,013.55 km) |
| Watertown Town to Bareggio | 3,822.50 mi (6,151.72 km) |
| Watertown Town to Barga | 3,932.97 mi (6,329.50 km) |
| Watertown Town to Bari | 4,316.16 mi (6,946.20 km) |
| Watertown Town to Barletta | 4,283.58 mi (6,893.75 km) |
| Watertown Town to Baronissi | 4,239.03 mi (6,822.06 km) |
| Watertown Town to Barrafranca | 4,342.47 mi (6,988.53 km) |
| Watertown Town to Bassano del Grappa | 3,929.71 mi (6,324.25 km) |
| Watertown Town to Battipaglia | 4,253.25 mi (6,844.95 km) |
| Watertown Town to Beinasco | 3,776.47 mi (6,077.64 km) |
| Watertown Town to Bellinzago Novarese | 3,803.75 mi (6,121.55 km) |
| Watertown Town to Belluno | 3,937.51 mi (6,336.81 km) |
| Watertown Town to Belmonte Mezzagno | 4,279.10 mi (6,886.55 km) |
| Watertown Town to Belpasso | 4,369.55 mi (7,032.12 km) |
