| Illertissen to Isselburg | 296.91 mi (477.83 km) |
| Illertissen to Issum | 281.42 mi (452.90 km) |
| Illertissen to Itzehoe | 395.17 mi (635.96 km) |
| Illertissen to Jena | 199.00 mi (320.27 km) |
| Illertissen to Jever | 382.16 mi (615.02 km) |
| Illertissen to Jork | 367.83 mi (591.97 km) |
| Illertissen to Juchen | 255.63 mi (411.40 km) |
| Illertissen to Julich | 250.54 mi (403.21 km) |
| Illertissen to Juterbog | 292.58 mi (470.86 km) |
| Illertissen to Kaarst | 258.68 mi (416.31 km) |
| Illertissen to Kaiserslautern | 135.19 mi (217.57 km) |
| Illertissen to Kalkar | 295.87 mi (476.16 km) |
| Illertissen to Kall | 226.33 mi (364.24 km) |
| Illertissen to Kaltenkirchen | 388.55 mi (625.31 km) |
| Illertissen to Kamen | 256.78 mi (413.25 km) |
