| Boulogne-sur-Mer to Idstein | 294.82 mi (474.46 km) |
| Boulogne-sur-Mer to Illertissen | 417.58 mi (672.03 km) |
| Boulogne-sur-Mer to Illingen | 258.57 mi (416.14 km) |
| Boulogne-sur-Mer to Ilmenau | 406.89 mi (654.83 km) |
| Boulogne-sur-Mer to Ilsede | 383.37 mi (616.98 km) |
| Boulogne-sur-Mer to Ilsenburg | 399.36 mi (642.70 km) |
| Boulogne-sur-Mer to Ilsfeld | 358.88 mi (577.57 km) |
| Boulogne-sur-Mer to Ilvesheim | 319.96 mi (514.92 km) |
| Boulogne-sur-Mer to Immenstadt im Allgau | 445.48 mi (716.93 km) |
| Boulogne-sur-Mer to Ingelheim | 288.61 mi (464.48 km) |
| Boulogne-sur-Mer to Ingolstadt | 458.13 mi (737.29 km) |
| Boulogne-sur-Mer to Iserlohn | 266.65 mi (429.13 km) |
| Boulogne-sur-Mer to Isernhagen-Sud | 372.80 mi (599.97 km) |
| Boulogne-sur-Mer to Ismaning | 482.96 mi (777.26 km) |
| Boulogne-sur-Mer to Isny im Allgau | 433.88 mi (698.26 km) |
