| Watford to Jeffersonville (Indiana) | 4,024.26 mi (6,476.43 km) |
| Watford to Jenison (Michigan) | 3,816.70 mi (6,142.39 km) |
| Watford to Jenks (Oklahoma) | 4,536.51 mi (7,300.81 km) |
| Watford to Jennings (Missouri) | 4,183.31 mi (6,732.39 km) |
| Watford to Jensen Beach (Florida) | 4,342.78 mi (6,989.02 km) |
| Watford to Jericho (New York) | 3,424.89 mi (5,511.83 km) |
| Watford to Jerome (Idaho) | 4,820.65 mi (7,758.09 km) |
| Watford to Jersey City (New Jersey) | 3,449.37 mi (5,551.23 km) |
| Watford to Jessup (Maryland) | 3,629.03 mi (5,840.37 km) |
| Watford to Johns Creek (Georgia) | 4,171.10 mi (6,712.74 km) |
| Watford to Johnson City (New York) | 3,465.26 mi (5,576.79 km) |
| Watford to Johnson City (Tennessee) | 3,986.29 mi (6,415.31 km) |
| Watford to Johnston (Iowa) | 4,169.56 mi (6,710.25 km) |
| Watford to Johnstown (Colorado) | 4,636.73 mi (7,462.10 km) |
| Watford to Johnstown (Pennsylvania) | 3,662.78 mi (5,894.68 km) |
