| Watertown Town to Blue Island (Illinois) | 847.31 mi (1,363.62 km) |
| Watertown Town to Blue Springs (Missouri) | 1,227.95 mi (1,976.19 km) |
| Watertown Town to Bluffdale (Utah) | 2,095.58 mi (3,372.51 km) |
| Watertown Town to Bluffton (Indiana) | 731.43 mi (1,177.13 km) |
| Watertown Town to Bluffton (South Carolina) | 881.82 mi (1,419.15 km) |
| Watertown Town to Blythe (California) | 2,413.51 mi (3,884.16 km) |
| Watertown Town to Blytheville (Arkansas) | 1,094.53 mi (1,761.48 km) |
| Watertown Town to Boca Raton (Florida) | 1,215.10 mi (1,955.52 km) |
| Watertown Town to Boerne (Texas) | 1,755.71 mi (2,825.54 km) |
| Watertown Town to Bogalusa (Louisiana) | 1,304.98 mi (2,100.17 km) |
| Watertown Town to Boiling Springs (South Carolina) | 770.39 mi (1,239.83 km) |
| Watertown Town to Boise (Idaho) | 2,250.53 mi (3,621.87 km) |
| Watertown Town to Bolingbrook (Illinois) | 868.44 mi (1,397.62 km) |
| Watertown Town to Bolivar (Missouri) | 1,218.51 mi (1,961.00 km) |
| Watertown Town to Bon Air (Virginia) | 476.24 mi (766.44 km) |
