| Grinon to Idar-Oberstein | 851.46 mi (1,370.30 km) |
| Grinon to Idstein | 906.48 mi (1,458.85 km) |
| Grinon to Illertissen | 881.75 mi (1,419.03 km) |
| Grinon to Illingen | 826.70 mi (1,330.44 km) |
| Grinon to Ilmenau | 1,014.02 mi (1,631.91 km) |
| Grinon to Ilsede | 1,065.18 mi (1,714.24 km) |
| Grinon to Ilsenburg | 1,060.81 mi (1,707.21 km) |
| Grinon to Ilsfeld | 885.01 mi (1,424.28 km) |
| Grinon to Ilvesheim | 880.40 mi (1,416.87 km) |
| Grinon to Immenstadt im Allgau | 862.99 mi (1,388.84 km) |
| Grinon to Ingelheim | 887.65 mi (1,428.53 km) |
| Grinon to Ingolstadt | 953.83 mi (1,535.04 km) |
| Grinon to Iserlohn | 947.85 mi (1,525.41 km) |
| Grinon to Isernhagen-Sud | 1,064.09 mi (1,712.48 km) |
| Grinon to Ismaning | 944.23 mi (1,519.59 km) |
