| Santander to Isny im Allgau | 729.18 mi (1,173.51 km) |
| Santander to Isselburg | 748.90 mi (1,205.24 km) |
| Santander to Issum | 732.99 mi (1,179.63 km) |
| Santander to Itzehoe | 941.12 mi (1,514.58 km) |
| Santander to Jena | 884.94 mi (1,424.18 km) |
| Santander to Jever | 878.03 mi (1,413.05 km) |
| Santander to Jork | 927.25 mi (1,492.26 km) |
| Santander to Juchen | 714.15 mi (1,149.31 km) |
| Santander to Julich | 701.12 mi (1,128.34 km) |
| Santander to Juterbog | 977.23 mi (1,572.70 km) |
| Santander to Kaarst | 723.27 mi (1,163.99 km) |
| Santander to Kaiserslautern | 687.47 mi (1,106.38 km) |
| Santander to Kalkar | 739.06 mi (1,189.40 km) |
| Santander to Kall | 689.99 mi (1,110.43 km) |
| Santander to Kaltenkirchen | 950.01 mi (1,528.89 km) |
