| Caldas de Reyes to Idar-Oberstein | 904.94 mi (1,456.36 km) |
| Caldas de Reyes to Idstein | 958.93 mi (1,543.25 km) |
| Caldas de Reyes to Illertissen | 984.21 mi (1,583.94 km) |
| Caldas de Reyes to Illingen | 884.18 mi (1,422.96 km) |
| Caldas de Reyes to Ilmenau | 1,077.85 mi (1,734.63 km) |
| Caldas de Reyes to Ilsede | 1,098.86 mi (1,768.44 km) |
| Caldas de Reyes to Ilsenburg | 1,104.12 mi (1,776.91 km) |
| Caldas de Reyes to Ilsfeld | 966.35 mi (1,555.18 km) |
| Caldas de Reyes to Ilvesheim | 948.80 mi (1,526.95 km) |
| Caldas de Reyes to Immenstadt im Allgau | 978.64 mi (1,574.97 km) |
| Caldas de Reyes to Ingelheim | 942.70 mi (1,517.13 km) |
| Caldas de Reyes to Ingolstadt | 1,053.77 mi (1,695.87 km) |
| Caldas de Reyes to Iserlohn | 975.31 mi (1,569.62 km) |
| Caldas de Reyes to Isernhagen-Sud | 1,092.87 mi (1,758.81 km) |
| Caldas de Reyes to Ismaning | 1,055.01 mi (1,697.87 km) |
