| Black Forest to Idar-Oberstein | 5,042.54 mi (8,115.19 km) |
| Black Forest to Idstein | 5,051.32 mi (8,129.32 km) |
| Black Forest to Illertissen | 5,204.99 mi (8,376.62 km) |
| Black Forest to Illingen | 5,048.96 mi (8,125.52 km) |
| Black Forest to Ilmenau | 5,115.59 mi (8,232.74 km) |
| Black Forest to Ilsede | 5,018.00 mi (8,075.70 km) |
| Black Forest to Ilsenburg | 5,052.35 mi (8,130.97 km) |
| Black Forest to Ilsfeld | 5,137.93 mi (8,268.71 km) |
| Black Forest to Ilvesheim | 5,095.53 mi (8,200.46 km) |
| Black Forest to Immenstadt im Allgau | 5,240.29 mi (8,433.44 km) |
| Black Forest to Ingelheim | 5,055.38 mi (8,135.85 km) |
| Black Forest to Ingolstadt | 5,223.47 mi (8,406.37 km) |
| Black Forest to Iserlohn | 4,978.36 mi (8,011.90 km) |
| Black Forest to Isernhagen-Sud | 5,000.03 mi (8,046.78 km) |
| Black Forest to Ismaning | 5,257.41 mi (8,460.98 km) |
