| Heerhugowaard to Octeville | 350.37 mi (563.86 km) |
| Heerhugowaard to Oignies | 171.15 mi (275.43 km) |
| Heerhugowaard to Oissel | 281.41 mi (452.89 km) |
| Heerhugowaard to Olivet | 356.15 mi (573.16 km) |
| Heerhugowaard to Ollioules | 659.93 mi (1,062.05 km) |
| Heerhugowaard to Olonne-sur-Mer | 516.18 mi (830.72 km) |
| Heerhugowaard to Oloron-Sainte-Marie | 700.77 mi (1,127.77 km) |
| Heerhugowaard to Onet Village | 582.56 mi (937.54 km) |
| Heerhugowaard to Onnaing | 166.16 mi (267.41 km) |
| Heerhugowaard to Orange | 589.26 mi (948.32 km) |
| Heerhugowaard to Orchies | 166.11 mi (267.32 km) |
| Heerhugowaard to Orleans | 353.51 mi (568.92 km) |
| Heerhugowaard to Orly | 291.27 mi (468.76 km) |
| Heerhugowaard to Ormesson-sur-Marne | 286.28 mi (460.72 km) |
| Heerhugowaard to Orsay | 297.61 mi (478.96 km) |
