| Stanley to Orbetello | 971.58 mi (1,563.61 km) |
| Stanley to Oria | 1,273.23 mi (2,049.07 km) |
| Stanley to Oristano | 1,063.85 mi (1,712.10 km) |
| Stanley to Orta Nova | 1,166.66 mi (1,877.56 km) |
| Stanley to Orte | 1,003.32 mi (1,614.68 km) |
| Stanley to Ortona | 1,069.76 mi (1,721.62 km) |
| Stanley to Orvieto | 980.68 mi (1,578.25 km) |
| Stanley to Orzinuovi | 767.24 mi (1,234.76 km) |
| Stanley to Osimo | 979.49 mi (1,576.34 km) |
| Stanley to Ospitaletto | 762.93 mi (1,227.81 km) |
| Stanley to Ostuni | 1,258.91 mi (2,026.02 km) |
| Stanley to Ottaviano | 1,156.13 mi (1,860.60 km) |
| Stanley to Ovada | 774.41 mi (1,246.30 km) |
| Stanley to Ozieri | 1,029.70 mi (1,657.15 km) |
| Stanley to Paceco | 1,274.31 mi (2,050.80 km) |
