| Monistrol-sur-Loire to Oria | 756.26 mi (1,217.09 km) |
| Monistrol-sur-Loire to Oristano | 434.63 mi (699.46 km) |
| Monistrol-sur-Loire to Orta Nova | 640.66 mi (1,031.05 km) |
| Monistrol-sur-Loire to Orte | 453.19 mi (729.34 km) |
| Monistrol-sur-Loire to Ortona | 548.41 mi (882.58 km) |
| Monistrol-sur-Loire to Orvieto | 432.49 mi (696.02 km) |
| Monistrol-sur-Loire to Orzinuovi | 279.80 mi (450.29 km) |
| Monistrol-sur-Loire to Osimo | 476.12 mi (766.24 km) |
| Monistrol-sur-Loire to Ospitaletto | 286.68 mi (461.36 km) |
| Monistrol-sur-Loire to Ostuni | 745.95 mi (1,200.49 km) |
| Monistrol-sur-Loire to Ottaviano | 603.27 mi (970.86 km) |
| Monistrol-sur-Loire to Ovada | 223.30 mi (359.37 km) |
| Monistrol-sur-Loire to Ozieri | 406.66 mi (654.46 km) |
| Monistrol-sur-Loire to Paceco | 664.22 mi (1,068.96 km) |
| Monistrol-sur-Loire to Pachino | 820.58 mi (1,320.59 km) |
