| Sankt Gallen to Isny im Allgau | 36.25 mi (58.34 km) |
| Sankt Gallen to Isselburg | 331.13 mi (532.90 km) |
| Sankt Gallen to Issum | 313.51 mi (504.54 km) |
| Sankt Gallen to Itzehoe | 449.21 mi (722.93 km) |
| Sankt Gallen to Jena | 261.87 mi (421.44 km) |
| Sankt Gallen to Jever | 429.80 mi (691.69 km) |
| Sankt Gallen to Jork | 422.39 mi (679.78 km) |
| Sankt Gallen to Juchen | 285.04 mi (458.72 km) |
| Sankt Gallen to Julich | 277.31 mi (446.28 km) |
| Sankt Gallen to Juterbog | 356.29 mi (573.39 km) |
| Sankt Gallen to Kaarst | 289.86 mi (466.48 km) |
| Sankt Gallen to Kaiserslautern | 157.73 mi (253.84 km) |
| Sankt Gallen to Kalkar | 328.39 mi (528.50 km) |
| Sankt Gallen to Kall | 250.95 mi (403.86 km) |
| Sankt Gallen to Kaltenkirchen | 444.02 mi (714.57 km) |
