| Kilkis to Fiuggi | 503.10 mi (809.67 km) |
| Kilkis to Fiume Veneto | 611.84 mi (984.66 km) |
| Kilkis to Fiumefreddo di Sicilia | 464.47 mi (747.50 km) |
| Kilkis to Fiumicino | 553.61 mi (890.95 km) |
| Kilkis to Flero | 709.47 mi (1,141.78 km) |
| Kilkis to Florence | 622.60 mi (1,001.97 km) |
| Kilkis to Floridia | 493.80 mi (794.69 km) |
| Kilkis to Foggia | 381.77 mi (614.40 km) |
| Kilkis to Foiano della Chiana | 587.09 mi (944.83 km) |
| Kilkis to Folignano | 491.16 mi (790.45 km) |
| Kilkis to Foligno | 539.30 mi (867.92 km) |
| Kilkis to Follonica | 635.65 mi (1,022.98 km) |
| Kilkis to Fondi | 491.93 mi (791.69 km) |
| Kilkis to Fontanafredda | 619.92 mi (997.66 km) |
| Kilkis to Forli | 593.54 mi (955.21 km) |
