| Illertissen to Butzbach | 166.19 mi (267.46 km) |
| Illertissen to Buxtehude | 363.83 mi (585.52 km) |
| Illertissen to Cadolzburg | 92.36 mi (148.64 km) |
| Illertissen to Calbe | 265.53 mi (427.33 km) |
| Illertissen to Calw | 70.84 mi (114.01 km) |
| Illertissen to Castrop-Rauxel | 261.13 mi (420.25 km) |
| Illertissen to Celle | 304.63 mi (490.25 km) |
| Illertissen to Cham | 135.87 mi (218.67 km) |
| Illertissen to Chemnitz | 220.95 mi (355.58 km) |
| Illertissen to Clausthal-Zellerfeld | 248.18 mi (399.41 km) |
| Illertissen to Cloppenburg | 332.31 mi (534.81 km) |
| Illertissen to Coburg | 147.14 mi (236.79 km) |
| Illertissen to Coesfeld | 288.48 mi (464.27 km) |
| Illertissen to Cologne | 234.44 mi (377.29 km) |
| Illertissen to Coswig | 255.08 mi (410.52 km) |
