| Alhaurin el Grande to Orbetello | 935.22 mi (1,505.09 km) |
| Alhaurin el Grande to Oria | 1,231.28 mi (1,981.55 km) |
| Alhaurin el Grande to Oristano | 753.90 mi (1,213.29 km) |
| Alhaurin el Grande to Orta Nova | 1,139.37 mi (1,833.63 km) |
| Alhaurin el Grande to Orte | 992.21 mi (1,596.81 km) |
| Alhaurin el Grande to Ortona | 1,088.52 mi (1,751.80 km) |
| Alhaurin el Grande to Orvieto | 984.73 mi (1,584.77 km) |
| Alhaurin el Grande to Orzinuovi | 970.81 mi (1,562.36 km) |
| Alhaurin el Grande to Osimo | 1,067.85 mi (1,718.54 km) |
| Alhaurin el Grande to Ospitaletto | 982.39 mi (1,581.01 km) |
| Alhaurin el Grande to Ostuni | 1,230.27 mi (1,979.94 km) |
| Alhaurin el Grande to Ottaviano | 1,070.42 mi (1,722.68 km) |
| Alhaurin el Grande to Ovada | 889.36 mi (1,431.28 km) |
| Alhaurin el Grande to Ozieri | 786.73 mi (1,266.12 km) |
| Alhaurin el Grande to Paceco | 950.27 mi (1,529.32 km) |
