| Watsonville to Isny im Allgau | 5,879.56 mi (9,462.23 km) |
| Watsonville to Isselburg | 5,556.12 mi (8,941.71 km) |
| Watsonville to Issum | 5,570.62 mi (8,965.04 km) |
| Watsonville to Itzehoe | 5,522.45 mi (8,887.52 km) |
| Watsonville to Jena | 5,740.60 mi (9,238.60 km) |
| Watsonville to Jever | 5,500.71 mi (8,852.54 km) |
| Watsonville to Jork | 5,547.97 mi (8,928.60 km) |
| Watsonville to Juchen | 5,596.10 mi (9,006.05 km) |
| Watsonville to Julich | 5,601.67 mi (9,015.02 km) |
| Watsonville to Juterbog | 5,717.54 mi (9,201.50 km) |
| Watsonville to Kaarst | 5,593.09 mi (9,001.22 km) |
| Watsonville to Kaiserslautern | 5,720.29 mi (9,205.91 km) |
| Watsonville to Kalkar | 5,556.39 mi (8,942.14 km) |
| Watsonville to Kall | 5,626.87 mi (9,055.56 km) |
| Watsonville to Kaltenkirchen | 5,538.12 mi (8,912.74 km) |
