| Queensferry to Orbetello | 1,140.10 mi (1,834.82 km) |
| Queensferry to Oria | 1,431.35 mi (2,303.54 km) |
| Queensferry to Oristano | 1,238.04 mi (1,992.44 km) |
| Queensferry to Orta Nova | 1,327.47 mi (2,136.35 km) |
| Queensferry to Orte | 1,169.37 mi (1,881.92 km) |
| Queensferry to Ortona | 1,231.37 mi (1,981.70 km) |
| Queensferry to Orvieto | 1,146.84 mi (1,845.66 km) |
| Queensferry to Orzinuovi | 932.52 mi (1,500.74 km) |
| Queensferry to Osimo | 1,140.56 mi (1,835.55 km) |
| Queensferry to Ospitaletto | 927.38 mi (1,492.48 km) |
| Queensferry to Ostuni | 1,416.61 mi (2,279.81 km) |
| Queensferry to Ottaviano | 1,320.69 mi (2,125.44 km) |
| Queensferry to Ovada | 944.40 mi (1,519.87 km) |
| Queensferry to Ozieri | 1,203.28 mi (1,936.49 km) |
| Queensferry to Paceco | 1,445.74 mi (2,326.69 km) |
