| Grevena to Idar-Oberstein | 955.99 mi (1,538.52 km) |
| Grevena to Idstein | 946.55 mi (1,523.32 km) |
| Grevena to Illertissen | 793.36 mi (1,276.79 km) |
| Grevena to Illingen | 951.00 mi (1,530.49 km) |
| Grevena to Ilmenau | 890.45 mi (1,433.05 km) |
| Grevena to Ilsede | 996.33 mi (1,603.44 km) |
| Grevena to Ilsenburg | 961.48 mi (1,547.36 km) |
| Grevena to Ilsfeld | 859.91 mi (1,383.90 km) |
| Grevena to Ilvesheim | 902.30 mi (1,452.11 km) |
| Grevena to Immenstadt im Allgau | 759.84 mi (1,222.85 km) |
| Grevena to Ingelheim | 942.34 mi (1,516.55 km) |
| Grevena to Ingolstadt | 775.25 mi (1,247.65 km) |
| Grevena to Iserlohn | 1,021.16 mi (1,643.40 km) |
| Grevena to Isernhagen-Sud | 1,013.86 mi (1,631.65 km) |
| Grevena to Ismaning | 740.59 mi (1,191.87 km) |
