| Watford to Black Forest (Colorado) | 4,694.97 mi (7,555.82 km) |
| Watford to Blackfoot (Idaho) | 4,727.54 mi (7,608.24 km) |
| Watford to Blackhawk (California) | 5,321.17 mi (8,563.60 km) |
| Watford to Blacksburg (Virginia) | 3,865.32 mi (6,220.63 km) |
| Watford to Blackwells Mills (New Jersey) | 3,481.42 mi (5,602.80 km) |
| Watford to Blaine (Minnesota) | 3,984.78 mi (6,412.89 km) |
| Watford to Bloomingdale (Florida) | 4,395.75 mi (7,074.27 km) |
| Watford to Bloomingdale (Illinois) | 3,946.77 mi (6,351.71 km) |
| Watford to Bloomington (California) | 5,397.54 mi (8,686.50 km) |
| Watford to Bloomington (Illinois) | 4,049.65 mi (6,517.28 km) |
| Watford to Bloomington (Indiana) | 4,017.42 mi (6,465.41 km) |
| Watford to Bloomington (Minnesota) | 4,004.58 mi (6,444.75 km) |
| Watford to Bloomsburg (Pennsylvania) | 3,533.75 mi (5,687.02 km) |
| Watford to Blue Ash (Ohio) | 3,929.38 mi (6,323.73 km) |
| Watford to Blue Island (Illinois) | 3,944.85 mi (6,348.63 km) |
