| Ilsenburg to Friesoythe | 143.19 mi (230.44 km) |
| Ilsenburg to Fritzlar | 78.70 mi (126.65 km) |
| Ilsenburg to Frohburg | 98.12 mi (157.91 km) |
| Ilsenburg to Frondenberg | 127.95 mi (205.92 km) |
| Ilsenburg to Fulda | 100.84 mi (162.29 km) |
| Ilsenburg to Fuldabruck | 66.14 mi (106.44 km) |
| Ilsenburg to Fuldatal | 61.24 mi (98.55 km) |
| Ilsenburg to Furstenau | 135.42 mi (217.94 km) |
| Ilsenburg to Furstenfeldbruck | 256.14 mi (412.22 km) |
| Ilsenburg to Furstenwalde | 147.63 mi (237.59 km) |
| Ilsenburg to Furth | 174.26 mi (280.44 km) |
| Ilsenburg to Furth | 166.40 mi (267.80 km) |
| Ilsenburg to Furth im Wald | 200.39 mi (322.49 km) |
| Ilsenburg to Furtwangen im Schwarzwald | 285.66 mi (459.72 km) |
| Ilsenburg to Fussen | 297.10 mi (478.14 km) |
