| Sarzeau to Oria | 1,119.56 mi (1,801.77 km) |
| Sarzeau to Oristano | 772.60 mi (1,243.38 km) |
| Sarzeau to Orta Nova | 1,004.05 mi (1,615.86 km) |
| Sarzeau to Orte | 817.27 mi (1,315.27 km) |
| Sarzeau to Ortona | 910.26 mi (1,464.93 km) |
| Sarzeau to Orvieto | 796.18 mi (1,281.33 km) |
| Sarzeau to Orzinuovi | 621.40 mi (1,000.04 km) |
| Sarzeau to Osimo | 833.25 mi (1,340.99 km) |
| Sarzeau to Ospitaletto | 624.59 mi (1,005.19 km) |
| Sarzeau to Ostuni | 1,108.77 mi (1,784.38 km) |
| Sarzeau to Ottaviano | 968.05 mi (1,557.93 km) |
| Sarzeau to Ovada | 581.69 mi (936.13 km) |
| Sarzeau to Ozieri | 754.75 mi (1,214.65 km) |
| Sarzeau to Paceco | 1,015.99 mi (1,635.08 km) |
| Sarzeau to Pachino | 1,176.81 mi (1,893.90 km) |
