| Aalsmeer to Orbetello | 742.62 mi (1,195.13 km) |
| Aalsmeer to Oria | 1,015.62 mi (1,634.48 km) |
| Aalsmeer to Oristano | 873.35 mi (1,405.52 km) |
| Aalsmeer to Orta Nova | 914.16 mi (1,471.20 km) |
| Aalsmeer to Orte | 765.03 mi (1,231.20 km) |
| Aalsmeer to Ortona | 819.32 mi (1,318.56 km) |
| Aalsmeer to Orvieto | 742.95 mi (1,195.67 km) |
| Aalsmeer to Orzinuovi | 529.45 mi (852.07 km) |
| Aalsmeer to Osimo | 728.31 mi (1,172.10 km) |
| Aalsmeer to Ospitaletto | 522.60 mi (841.04 km) |
| Aalsmeer to Ostuni | 1,000.64 mi (1,610.37 km) |
| Aalsmeer to Ottaviano | 912.40 mi (1,468.36 km) |
| Aalsmeer to Ovada | 556.22 mi (895.16 km) |
| Aalsmeer to Ozieri | 831.79 mi (1,338.64 km) |
| Aalsmeer to Paceco | 1,056.12 mi (1,699.67 km) |
