| Bideford to Octeville | 148.39 mi (238.81 km) |
| Bideford to Oignies | 317.04 mi (510.23 km) |
| Bideford to Oissel | 261.41 mi (420.71 km) |
| Bideford to Olivet | 350.20 mi (563.59 km) |
| Bideford to Ollioules | 719.84 mi (1,158.47 km) |
| Bideford to Olonne-sur-Mer | 328.76 mi (529.09 km) |
| Bideford to Oloron-Sainte-Marie | 566.18 mi (911.19 km) |
| Bideford to Onet Village | 557.36 mi (896.99 km) |
| Bideford to Onnaing | 344.22 mi (553.97 km) |
| Bideford to Orange | 633.52 mi (1,019.55 km) |
| Bideford to Orchies | 327.85 mi (527.62 km) |
| Bideford to Orleans | 348.76 mi (561.28 km) |
| Bideford to Orly | 333.06 mi (536.00 km) |
| Bideford to Ormesson-sur-Marne | 337.33 mi (542.88 km) |
| Bideford to Orsay | 326.69 mi (525.75 km) |
