| Roetgen to Idar-Oberstein | 81.43 mi (131.05 km) |
| Roetgen to Idstein | 95.98 mi (154.46 km) |
| Roetgen to Illertissen | 242.25 mi (389.86 km) |
| Roetgen to Illingen | 95.79 mi (154.16 km) |
| Roetgen to Ilmenau | 206.66 mi (332.58 km) |
| Roetgen to Ilsede | 204.61 mi (329.29 km) |
| Roetgen to Ilsenburg | 211.25 mi (339.98 km) |
| Roetgen to Ilsfeld | 175.14 mi (281.87 km) |
| Roetgen to Ilvesheim | 132.83 mi (213.77 km) |
| Roetgen to Immenstadt im Allgau | 279.90 mi (450.45 km) |
| Roetgen to Ingelheim | 94.26 mi (151.70 km) |
| Roetgen to Ingolstadt | 267.31 mi (430.20 km) |
| Roetgen to Iserlohn | 81.43 mi (131.05 km) |
| Roetgen to Isernhagen-Sud | 199.70 mi (321.38 km) |
| Roetgen to Ismaning | 297.36 mi (478.55 km) |
