| Karlovo to Forlimpopoli | 644.27 mi (1,036.85 km) |
| Karlovo to Formello | 634.02 mi (1,020.36 km) |
| Karlovo to Formia | 582.36 mi (937.22 km) |
| Karlovo to Formigine | 706.11 mi (1,136.38 km) |
| Karlovo to Fossano | 862.80 mi (1,388.55 km) |
| Karlovo to Fossombrone | 608.05 mi (978.56 km) |
| Karlovo to Francavilla al Mare | 534.87 mi (860.80 km) |
| Karlovo to Francavilla Fontana | 400.61 mi (644.71 km) |
| Karlovo to Francofonte | 644.37 mi (1,037.01 km) |
| Karlovo to Frascati | 622.35 mi (1,001.57 km) |
| Karlovo to Frattamaggiore | 554.49 mi (892.36 km) |
| Karlovo to Frattaminore | 555.01 mi (893.20 km) |
| Karlovo to Frosinone | 590.68 mi (950.60 km) |
| Karlovo to Fucecchio | 708.78 mi (1,140.67 km) |
| Karlovo to Gaeta | 585.68 mi (942.57 km) |
