| Cumbernauld to Orbetello | 1,153.10 mi (1,855.74 km) |
| Cumbernauld to Oria | 1,447.32 mi (2,329.24 km) |
| Cumbernauld to Oristano | 1,247.59 mi (2,007.80 km) |
| Cumbernauld to Orta Nova | 1,342.80 mi (2,161.03 km) |
| Cumbernauld to Orte | 1,183.23 mi (1,904.22 km) |
| Cumbernauld to Ortona | 1,246.49 mi (2,006.02 km) |
| Cumbernauld to Orvieto | 1,160.66 mi (1,867.90 km) |
| Cumbernauld to Orzinuovi | 946.53 mi (1,523.29 km) |
| Cumbernauld to Osimo | 1,155.77 mi (1,860.04 km) |
| Cumbernauld to Ospitaletto | 941.62 mi (1,515.40 km) |
| Cumbernauld to Ostuni | 1,432.67 mi (2,305.65 km) |
| Cumbernauld to Ottaviano | 1,335.04 mi (2,148.53 km) |
| Cumbernauld to Ovada | 956.75 mi (1,539.74 km) |
| Cumbernauld to Ozieri | 1,213.50 mi (1,952.94 km) |
| Cumbernauld to Paceco | 1,457.46 mi (2,345.56 km) |
