| Catonsville to Forli | 4,356.42 mi (7,010.99 km) |
| Catonsville to Forlimpopoli | 4,361.72 mi (7,019.51 km) |
| Catonsville to Formello | 4,446.57 mi (7,156.06 km) |
| Catonsville to Formia | 4,529.53 mi (7,289.57 km) |
| Catonsville to Formigine | 4,295.73 mi (6,913.31 km) |
| Catonsville to Fossano | 4,158.77 mi (6,692.89 km) |
| Catonsville to Fossombrone | 4,407.88 mi (7,093.79 km) |
| Catonsville to Francavilla al Mare | 4,517.72 mi (7,270.57 km) |
| Catonsville to Francavilla Fontana | 4,731.05 mi (7,613.89 km) |
| Catonsville to Francofonte | 4,737.33 mi (7,624.00 km) |
| Catonsville to Frascati | 4,468.53 mi (7,191.40 km) |
| Catonsville to Frattamaggiore | 4,571.17 mi (7,356.58 km) |
| Catonsville to Frattaminore | 4,569.82 mi (7,354.41 km) |
| Catonsville to Frosinone | 4,504.49 mi (7,249.28 km) |
| Catonsville to Fucecchio | 4,319.37 mi (6,951.36 km) |
