| Haarlem to Octeville | 332.58 mi (535.23 km) |
| Haarlem to Oignies | 149.93 mi (241.28 km) |
| Haarlem to Oissel | 260.73 mi (419.61 km) |
| Haarlem to Olivet | 334.84 mi (538.87 km) |
| Haarlem to Ollioules | 641.15 mi (1,031.83 km) |
| Haarlem to Olonne-sur-Mer | 495.55 mi (797.51 km) |
| Haarlem to Oloron-Sainte-Marie | 679.46 mi (1,093.48 km) |
| Haarlem to Onet Village | 561.76 mi (904.07 km) |
| Haarlem to Onnaing | 144.92 mi (233.22 km) |
| Haarlem to Orange | 569.73 mi (916.89 km) |
| Haarlem to Orchies | 144.81 mi (233.04 km) |
| Haarlem to Orleans | 332.20 mi (534.63 km) |
| Haarlem to Orly | 269.97 mi (434.47 km) |
| Haarlem to Ormesson-sur-Marne | 264.98 mi (426.45 km) |
| Haarlem to Orsay | 276.30 mi (444.67 km) |
