| Cay to Idar-Oberstein | 1,394.99 mi (2,245.02 km) |
| Cay to Idstein | 1,371.80 mi (2,207.70 km) |
| Cay to Illertissen | 1,237.77 mi (1,992.00 km) |
| Cay to Illingen | 1,396.35 mi (2,247.21 km) |
| Cay to Ilmenau | 1,286.86 mi (2,071.00 km) |
| Cay to Ilsede | 1,374.23 mi (2,211.61 km) |
| Cay to Ilsenburg | 1,340.96 mi (2,158.06 km) |
| Cay to Ilsfeld | 1,296.72 mi (2,086.87 km) |
| Cay to Ilvesheim | 1,337.10 mi (2,151.86 km) |
| Cay to Immenstadt im Allgau | 1,213.92 mi (1,953.61 km) |
| Cay to Ingelheim | 1,372.81 mi (2,209.32 km) |
| Cay to Ingolstadt | 1,199.75 mi (1,930.82 km) |
| Cay to Iserlohn | 1,432.98 mi (2,306.16 km) |
| Cay to Isernhagen-Sud | 1,392.15 mi (2,240.44 km) |
| Cay to Ismaning | 1,172.35 mi (1,886.71 km) |
