| Saltcoats to Orbetello | 1,158.92 mi (1,865.10 km) |
| Saltcoats to Oria | 1,458.89 mi (2,347.85 km) |
| Saltcoats to Oristano | 1,246.99 mi (2,006.84 km) |
| Saltcoats to Orta Nova | 1,353.11 mi (2,177.62 km) |
| Saltcoats to Orte | 1,190.69 mi (1,916.23 km) |
| Saltcoats to Ortona | 1,256.39 mi (2,021.97 km) |
| Saltcoats to Orvieto | 1,168.06 mi (1,879.80 km) |
| Saltcoats to Orzinuovi | 954.50 mi (1,536.12 km) |
| Saltcoats to Osimo | 1,165.95 mi (1,876.41 km) |
| Saltcoats to Ospitaletto | 950.06 mi (1,528.97 km) |
| Saltcoats to Ostuni | 1,444.42 mi (2,324.57 km) |
| Saltcoats to Ottaviano | 1,343.36 mi (2,161.93 km) |
| Saltcoats to Ovada | 961.53 mi (1,547.43 km) |
| Saltcoats to Ozieri | 1,214.13 mi (1,953.95 km) |
| Saltcoats to Paceco | 1,460.68 mi (2,350.73 km) |
