| Sudbury to Octeville | 145.23 mi (233.72 km) |
| Sudbury to Oignies | 162.34 mi (261.27 km) |
| Sudbury to Oissel | 164.95 mi (265.45 km) |
| Sudbury to Olivet | 273.53 mi (440.21 km) |
| Sudbury to Ollioules | 648.55 mi (1,043.74 km) |
| Sudbury to Olonne-sur-Mer | 352.85 mi (567.86 km) |
| Sudbury to Oloron-Sainte-Marie | 577.74 mi (929.78 km) |
| Sudbury to Onet Village | 514.51 mi (828.02 km) |
| Sudbury to Onnaing | 188.51 mi (303.38 km) |
| Sudbury to Orange | 564.53 mi (908.53 km) |
| Sudbury to Orchies | 171.91 mi (276.65 km) |
| Sudbury to Orleans | 271.17 mi (436.41 km) |
| Sudbury to Orly | 228.25 mi (367.33 km) |
| Sudbury to Ormesson-sur-Marne | 229.25 mi (368.94 km) |
| Sudbury to Orsay | 226.38 mi (364.33 km) |
