| Willich to Idar-Oberstein | 112.35 mi (180.80 km) |
| Willich to Idstein | 104.29 mi (167.83 km) |
| Willich to Illertissen | 263.01 mi (423.27 km) |
| Willich to Illingen | 132.23 mi (212.81 km) |
| Willich to Ilmenau | 194.27 mi (312.64 km) |
| Willich to Ilsede | 170.14 mi (273.82 km) |
| Willich to Ilsenburg | 182.37 mi (293.49 km) |
| Willich to Ilsfeld | 194.07 mi (312.33 km) |
| Willich to Ilvesheim | 152.36 mi (245.20 km) |
| Willich to Immenstadt im Allgau | 303.89 mi (489.07 km) |
| Willich to Ingelheim | 110.86 mi (178.40 km) |
| Willich to Ingolstadt | 276.85 mi (445.55 km) |
| Willich to Iserlohn | 48.96 mi (78.79 km) |
| Willich to Isernhagen-Sud | 162.71 mi (261.86 km) |
| Willich to Ismaning | 310.26 mi (499.32 km) |
