| Stranraer to Orbetello | 1,130.42 mi (1,819.24 km) |
| Stranraer to Oria | 1,437.16 mi (2,312.89 km) |
| Stranraer to Oristano | 1,211.43 mi (1,949.61 km) |
| Stranraer to Orta Nova | 1,329.86 mi (2,140.21 km) |
| Stranraer to Orte | 1,164.10 mi (1,873.43 km) |
| Stranraer to Ortona | 1,232.75 mi (1,983.92 km) |
| Stranraer to Orvieto | 1,141.42 mi (1,836.94 km) |
| Stranraer to Orzinuovi | 928.92 mi (1,494.96 km) |
| Stranraer to Osimo | 1,142.76 mi (1,839.10 km) |
| Stranraer to Ospitaletto | 925.06 mi (1,488.74 km) |
| Stranraer to Ostuni | 1,422.95 mi (2,290.02 km) |
| Stranraer to Ottaviano | 1,317.64 mi (2,120.54 km) |
| Stranraer to Ovada | 932.15 mi (1,500.15 km) |
| Stranraer to Ozieri | 1,179.85 mi (1,898.78 km) |
| Stranraer to Paceco | 1,428.93 mi (2,299.64 km) |
