| Troisdorf to Fiuggi | 686.28 mi (1,104.45 km) |
| Troisdorf to Fiume Veneto | 423.24 mi (681.14 km) |
| Troisdorf to Fiumefreddo di Sicilia | 981.95 mi (1,580.29 km) |
| Troisdorf to Fiumicino | 670.20 mi (1,078.58 km) |
| Troisdorf to Flero | 393.77 mi (633.70 km) |
| Troisdorf to Florence | 523.06 mi (841.78 km) |
| Troisdorf to Floridia | 1,027.35 mi (1,653.36 km) |
| Troisdorf to Foggia | 759.73 mi (1,222.67 km) |
| Troisdorf to Foiano della Chiana | 566.69 mi (912.00 km) |
| Troisdorf to Folignano | 631.32 mi (1,016.02 km) |
| Troisdorf to Foligno | 602.86 mi (970.21 km) |
| Troisdorf to Follonica | 571.43 mi (919.63 km) |
| Troisdorf to Fondi | 718.95 mi (1,157.04 km) |
| Troisdorf to Fontanafredda | 416.77 mi (670.73 km) |
| Troisdorf to Forli | 508.66 mi (818.61 km) |
