| Campulung Moldovenesc to Orbetello | 782.43 mi (1,259.20 km) |
| Campulung Moldovenesc to Oria | 624.44 mi (1,004.93 km) |
| Campulung Moldovenesc to Oristano | 994.16 mi (1,599.95 km) |
| Campulung Moldovenesc to Orta Nova | 646.56 mi (1,040.54 km) |
| Campulung Moldovenesc to Orte | 731.11 mi (1,176.61 km) |
| Campulung Moldovenesc to Ortona | 651.38 mi (1,048.30 km) |
| Campulung Moldovenesc to Orvieto | 733.43 mi (1,180.34 km) |
| Campulung Moldovenesc to Orzinuovi | 756.35 mi (1,217.23 km) |
| Campulung Moldovenesc to Osimo | 646.88 mi (1,041.06 km) |
| Campulung Moldovenesc to Ospitaletto | 746.81 mi (1,201.87 km) |
| Campulung Moldovenesc to Ostuni | 613.11 mi (986.70 km) |
| Campulung Moldovenesc to Ottaviano | 715.75 mi (1,151.88 km) |
| Campulung Moldovenesc to Ovada | 832.56 mi (1,339.88 km) |
| Campulung Moldovenesc to Ozieri | 948.70 mi (1,526.78 km) |
| Campulung Moldovenesc to Paceco | 930.45 mi (1,497.42 km) |
