| Wattwil to Isny im Allgau | 52.37 mi (84.28 km) |
| Wattwil to Isselburg | 334.65 mi (538.57 km) |
| Wattwil to Issum | 316.55 mi (509.44 km) |
| Wattwil to Itzehoe | 458.43 mi (737.77 km) |
| Wattwil to Jena | 275.23 mi (442.94 km) |
| Wattwil to Jever | 436.91 mi (703.14 km) |
| Wattwil to Jork | 431.85 mi (695.00 km) |
| Wattwil to Juchen | 287.55 mi (462.77 km) |
| Wattwil to Julich | 279.19 mi (449.31 km) |
| Wattwil to Juterbog | 370.29 mi (595.92 km) |
| Wattwil to Kaarst | 292.81 mi (471.24 km) |
| Wattwil to Kaiserslautern | 160.26 mi (257.91 km) |
| Wattwil to Kalkar | 331.47 mi (533.45 km) |
| Wattwil to Kall | 252.50 mi (406.36 km) |
| Wattwil to Kaltenkirchen | 453.77 mi (730.28 km) |
