| Haydock to Octeville | 268.95 mi (432.84 km) |
| Haydock to Oignies | 317.42 mi (510.84 km) |
| Haydock to Oissel | 327.65 mi (527.30 km) |
| Haydock to Olivet | 435.47 mi (700.83 km) |
| Haydock to Ollioules | 812.41 mi (1,307.45 km) |
| Haydock to Olonne-sur-Mer | 480.54 mi (773.36 km) |
| Haydock to Oloron-Sainte-Marie | 716.00 mi (1,152.29 km) |
| Haydock to Onet Village | 672.18 mi (1,081.76 km) |
| Haydock to Onnaing | 340.97 mi (548.73 km) |
| Haydock to Orange | 727.84 mi (1,171.34 km) |
| Haydock to Orchies | 325.31 mi (523.54 km) |
| Haydock to Orleans | 433.24 mi (697.23 km) |
| Haydock to Orly | 392.97 mi (632.43 km) |
| Haydock to Ormesson-sur-Marne | 394.08 mi (634.21 km) |
| Haydock to Orsay | 390.81 mi (628.95 km) |
