| Sundern to Idar-Oberstein | 114.95 mi (184.99 km) |
| Sundern to Idstein | 76.68 mi (123.40 km) |
| Sundern to Illertissen | 233.47 mi (375.74 km) |
| Sundern to Illingen | 140.42 mi (225.98 km) |
| Sundern to Ilmenau | 134.25 mi (216.05 km) |
| Sundern to Ilsede | 114.07 mi (183.58 km) |
| Sundern to Ilsenburg | 121.28 mi (195.18 km) |
| Sundern to Ilsfeld | 166.08 mi (267.29 km) |
| Sundern to Ilvesheim | 129.85 mi (208.97 km) |
| Sundern to Immenstadt im Allgau | 277.55 mi (446.67 km) |
| Sundern to Ingelheim | 92.76 mi (149.28 km) |
| Sundern to Ingolstadt | 232.82 mi (374.69 km) |
| Sundern to Iserlohn | 15.10 mi (24.30 km) |
| Sundern to Isernhagen-Sud | 110.62 mi (178.02 km) |
| Sundern to Ismaning | 269.09 mi (433.05 km) |
