| San Mauro Pascoli to Orbetello | 129.74 mi (208.80 km) |
| San Mauro Pascoli to Oria | 364.46 mi (586.55 km) |
| San Mauro Pascoli to Oristano | 349.98 mi (563.24 km) |
| San Mauro Pascoli to Orta Nova | 254.09 mi (408.91 km) |
| San Mauro Pascoli to Orte | 113.30 mi (182.34 km) |
| San Mauro Pascoli to Ortona | 156.80 mi (252.35 km) |
| San Mauro Pascoli to Orvieto | 96.70 mi (155.62 km) |
| San Mauro Pascoli to Orzinuovi | 151.37 mi (243.61 km) |
| San Mauro Pascoli to Osimo | 68.16 mi (109.69 km) |
| San Mauro Pascoli to Ospitaletto | 152.62 mi (245.62 km) |
| San Mauro Pascoli to Ostuni | 351.39 mi (565.50 km) |
| San Mauro Pascoli to Ottaviano | 247.88 mi (398.92 km) |
| San Mauro Pascoli to Ovada | 189.89 mi (305.60 km) |
| San Mauro Pascoli to Ozieri | 298.89 mi (481.02 km) |
| San Mauro Pascoli to Paceco | 422.68 mi (680.24 km) |
