| Illingen to Friesoythe | 254.19 mi (409.08 km) |
| Illingen to Fritzlar | 156.34 mi (251.61 km) |
| Illingen to Frohburg | 269.45 mi (433.64 km) |
| Illingen to Frondenberg | 148.15 mi (238.42 km) |
| Illingen to Fulda | 142.02 mi (228.56 km) |
| Illingen to Fuldabruck | 168.97 mi (271.93 km) |
| Illingen to Fuldatal | 174.47 mi (280.78 km) |
| Illingen to Furstenau | 218.61 mi (351.82 km) |
| Illingen to Furstenfeldbruck | 208.49 mi (335.53 km) |
| Illingen to Furstenwalde | 368.83 mi (593.57 km) |
| Illingen to Furth | 79.78 mi (128.40 km) |
| Illingen to Furth | 177.51 mi (285.67 km) |
| Illingen to Furth im Wald | 260.51 mi (419.25 km) |
| Illingen to Furtwangen im Schwarzwald | 105.71 mi (170.13 km) |
| Illingen to Fussen | 208.65 mi (335.79 km) |
