| Istrana to Friesoythe | 541.47 mi (871.41 km) |
| Istrana to Fritzlar | 398.02 mi (640.56 km) |
| Istrana to Frohburg | 371.81 mi (598.37 km) |
| Istrana to Frondenberg | 446.14 mi (718.00 km) |
| Istrana to Fulda | 354.37 mi (570.30 km) |
| Istrana to Fuldabruck | 403.90 mi (650.01 km) |
| Istrana to Fuldatal | 408.70 mi (657.74 km) |
| Istrana to Furstenau | 512.73 mi (825.16 km) |
| Istrana to Furstenfeldbruck | 176.89 mi (284.68 km) |
| Istrana to Furstenwalde | 470.25 mi (756.79 km) |
| Istrana to Furth | 314.54 mi (506.20 km) |
| Istrana to Furth | 266.38 mi (428.70 km) |
| Istrana to Furth im Wald | 252.93 mi (407.05 km) |
| Istrana to Furtwangen im Schwarzwald | 245.97 mi (395.85 km) |
| Istrana to Fussen | 146.10 mi (235.13 km) |
