| Saint Andrews to Orbetello | 1,143.82 mi (1,840.80 km) |
| Saint Andrews to Oria | 1,429.40 mi (2,300.39 km) |
| Saint Andrews to Oristano | 1,247.29 mi (2,007.32 km) |
| Saint Andrews to Orta Nova | 1,326.80 mi (2,135.28 km) |
| Saint Andrews to Orte | 1,171.54 mi (1,885.41 km) |
| Saint Andrews to Ortona | 1,231.19 mi (1,981.41 km) |
| Saint Andrews to Orvieto | 1,149.09 mi (1,849.29 km) |
| Saint Andrews to Orzinuovi | 934.61 mi (1,504.11 km) |
| Saint Andrews to Osimo | 1,140.24 mi (1,835.04 km) |
| Saint Andrews to Ospitaletto | 929.06 mi (1,495.17 km) |
| Saint Andrews to Ostuni | 1,414.49 mi (2,276.40 km) |
| Saint Andrews to Ottaviano | 1,321.88 mi (2,127.36 km) |
| Saint Andrews to Ovada | 949.39 mi (1,527.89 km) |
| Saint Andrews to Ozieri | 1,211.52 mi (1,949.75 km) |
| Saint Andrews to Paceco | 1,451.44 mi (2,335.87 km) |
