| Santander to Idar-Oberstein | 680.77 mi (1,095.59 km) |
| Santander to Idstein | 735.93 mi (1,184.37 km) |
| Santander to Illertissen | 743.37 mi (1,196.34 km) |
| Santander to Illingen | 657.99 mi (1,058.93 km) |
| Santander to Ilmenau | 851.33 mi (1,370.08 km) |
| Santander to Ilsede | 886.25 mi (1,426.28 km) |
| Santander to Ilsenburg | 886.89 mi (1,427.31 km) |
| Santander to Ilsfeld | 731.99 mi (1,178.02 km) |
| Santander to Ilvesheim | 719.04 mi (1,157.18 km) |
| Santander to Immenstadt im Allgau | 734.36 mi (1,181.83 km) |
| Santander to Ingelheim | 718.36 mi (1,156.08 km) |
| Santander to Ingolstadt | 814.26 mi (1,310.43 km) |
| Santander to Iserlohn | 764.50 mi (1,230.35 km) |
| Santander to Isernhagen-Sud | 882.68 mi (1,420.53 km) |
| Santander to Ismaning | 812.52 mi (1,307.63 km) |
