| San Adrian de Besos to Orbetello | 467.29 mi (752.03 km) |
| San Adrian de Besos to Oria | 805.74 mi (1,296.71 km) |
| San Adrian de Besos to Oristano | 350.13 mi (563.47 km) |
| San Adrian de Besos to Orta Nova | 698.85 mi (1,124.69 km) |
| San Adrian de Besos to Orte | 527.02 mi (848.16 km) |
| San Adrian de Besos to Ortona | 629.23 mi (1,012.65 km) |
| San Adrian de Besos to Orvieto | 514.75 mi (828.41 km) |
| San Adrian de Besos to Orzinuovi | 474.15 mi (763.08 km) |
| San Adrian de Besos to Osimo | 590.99 mi (951.10 km) |
| San Adrian de Besos to Ospitaletto | 485.68 mi (781.62 km) |
| San Adrian de Besos to Ostuni | 800.61 mi (1,288.46 km) |
| San Adrian de Besos to Ottaviano | 638.62 mi (1,027.76 km) |
| San Adrian de Besos to Ovada | 392.92 mi (632.35 km) |
| San Adrian de Besos to Ozieri | 358.46 mi (576.88 km) |
| San Adrian de Besos to Paceco | 598.09 mi (962.54 km) |
