| Aalborg to Oria | 1,194.44 mi (1,922.27 km) |
| Aalborg to Oristano | 1,186.05 mi (1,908.76 km) |
| Aalborg to Orta Nova | 1,116.18 mi (1,796.32 km) |
| Aalborg to Orte | 1,013.89 mi (1,631.70 km) |
| Aalborg to Ortona | 1,034.69 mi (1,665.17 km) |
| Aalborg to Orvieto | 994.90 mi (1,601.13 km) |
| Aalborg to Orzinuovi | 804.94 mi (1,295.42 km) |
| Aalborg to Osimo | 950.18 mi (1,529.17 km) |
| Aalborg to Ospitaletto | 794.24 mi (1,278.20 km) |
| Aalborg to Ostuni | 1,178.18 mi (1,896.09 km) |
| Aalborg to Ottaviano | 1,137.65 mi (1,830.87 km) |
| Aalborg to Ovada | 859.25 mi (1,382.83 km) |
| Aalborg to Ozieri | 1,138.36 mi (1,832.02 km) |
| Aalborg to Paceco | 1,322.86 mi (2,128.93 km) |
| Aalborg to Pachino | 1,425.07 mi (2,293.43 km) |
