| Watertown to Isny im Allgau | 3,923.85 mi (6,314.82 km) |
| Watertown to Isselburg | 3,646.69 mi (5,868.78 km) |
| Watertown to Issum | 3,654.10 mi (5,880.71 km) |
| Watertown to Itzehoe | 3,695.71 mi (5,947.67 km) |
| Watertown to Jena | 3,870.83 mi (6,229.49 km) |
| Watertown to Jever | 3,647.39 mi (5,869.90 km) |
| Watertown to Jork | 3,713.98 mi (5,977.07 km) |
| Watertown to Juchen | 3,670.72 mi (5,907.46 km) |
| Watertown to Julich | 3,670.76 mi (5,907.52 km) |
| Watertown to Juterbog | 3,889.42 mi (6,259.42 km) |
| Watertown to Kaarst | 3,671.55 mi (5,908.79 km) |
| Watertown to Kaiserslautern | 3,773.59 mi (6,073.01 km) |
| Watertown to Kalkar | 3,642.91 mi (5,862.70 km) |
| Watertown to Kall | 3,689.95 mi (5,938.39 km) |
| Watertown to Kaltenkirchen | 3,714.50 mi (5,977.91 km) |
