| Ratingen to Idar-Oberstein | 111.63 mi (179.65 km) |
| Ratingen to Idstein | 97.14 mi (156.33 km) |
| Ratingen to Illertissen | 257.26 mi (414.02 km) |
| Ratingen to Illingen | 133.21 mi (214.38 km) |
| Ratingen to Ilmenau | 182.00 mi (292.90 km) |
| Ratingen to Ilsede | 157.34 mi (253.21 km) |
| Ratingen to Ilsenburg | 169.15 mi (272.21 km) |
| Ratingen to Ilsfeld | 188.25 mi (302.96 km) |
| Ratingen to Ilvesheim | 147.19 mi (236.88 km) |
| Ratingen to Immenstadt im Allgau | 298.96 mi (481.13 km) |
| Ratingen to Ingelheim | 105.73 mi (170.16 km) |
| Ratingen to Ingolstadt | 268.15 mi (431.55 km) |
| Ratingen to Iserlohn | 35.72 mi (57.48 km) |
| Ratingen to Isernhagen-Sud | 150.32 mi (241.92 km) |
| Ratingen to Ismaning | 302.24 mi (486.41 km) |
