| Bolton to Octeville | 275.07 mi (442.67 km) |
| Bolton to Oignies | 314.94 mi (506.85 km) |
| Bolton to Oissel | 329.50 mi (530.27 km) |
| Bolton to Olivet | 437.68 mi (704.38 km) |
| Bolton to Ollioules | 813.93 mi (1,309.90 km) |
| Bolton to Olonne-sur-Mer | 487.41 mi (784.41 km) |
| Bolton to Oloron-Sainte-Marie | 722.24 mi (1,162.34 km) |
| Bolton to Onet Village | 675.63 mi (1,087.31 km) |
| Bolton to Onnaing | 337.98 mi (543.92 km) |
| Bolton to Orange | 729.64 mi (1,174.25 km) |
| Bolton to Orchies | 322.54 mi (519.08 km) |
| Bolton to Orleans | 435.41 mi (700.72 km) |
| Bolton to Orly | 393.76 mi (633.70 km) |
| Bolton to Ormesson-sur-Marne | 394.65 mi (635.13 km) |
| Bolton to Orsay | 391.90 mi (630.71 km) |
