| Thouare-sur-Loire to Oria | 1,054.87 mi (1,697.64 km) |
| Thouare-sur-Loire to Oristano | 713.57 mi (1,148.38 km) |
| Thouare-sur-Loire to Orta Nova | 939.36 mi (1,511.76 km) |
| Thouare-sur-Loire to Orte | 752.69 mi (1,211.34 km) |
| Thouare-sur-Loire to Ortona | 845.51 mi (1,360.71 km) |
| Thouare-sur-Loire to Orvieto | 731.55 mi (1,177.32 km) |
| Thouare-sur-Loire to Orzinuovi | 557.09 mi (896.55 km) |
| Thouare-sur-Loire to Osimo | 768.52 mi (1,236.81 km) |
| Thouare-sur-Loire to Ospitaletto | 560.46 mi (901.97 km) |
| Thouare-sur-Loire to Ostuni | 1,044.03 mi (1,680.21 km) |
| Thouare-sur-Loire to Ottaviano | 903.74 mi (1,454.43 km) |
| Thouare-sur-Loire to Ovada | 516.91 mi (831.89 km) |
| Thouare-sur-Loire to Ozieri | 694.08 mi (1,117.01 km) |
| Thouare-sur-Loire to Paceco | 955.12 mi (1,537.12 km) |
| Thouare-sur-Loire to Pachino | 1,115.16 mi (1,794.68 km) |
