| Illingen to Isselburg | 171.67 mi (276.28 km) |
| Illingen to Issum | 151.95 mi (244.54 km) |
| Illingen to Itzehoe | 331.50 mi (533.50 km) |
| Illingen to Jena | 227.47 mi (366.07 km) |
| Illingen to Jever | 292.34 mi (470.47 km) |
| Illingen to Jork | 308.73 mi (496.86 km) |
| Illingen to Juchen | 121.62 mi (195.74 km) |
| Illingen to Julich | 111.14 mi (178.86 km) |
| Illingen to Juterbog | 319.45 mi (514.10 km) |
| Illingen to Kaarst | 128.60 mi (206.96 km) |
| Illingen to Kaiserslautern | 32.55 mi (52.38 km) |
| Illingen to Kalkar | 166.60 mi (268.12 km) |
| Illingen to Kall | 84.09 mi (135.33 km) |
| Illingen to Kaltenkirchen | 332.60 mi (535.26 km) |
| Illingen to Kamen | 155.41 mi (250.11 km) |
