| Olton to Octeville | 194.34 mi (312.75 km) |
| Olton to Oignies | 247.31 mi (398.00 km) |
| Olton to Oissel | 248.34 mi (399.67 km) |
| Olton to Olivet | 355.97 mi (572.87 km) |
| Olton to Ollioules | 733.18 mi (1,179.94 km) |
| Olton to Olonne-sur-Mer | 407.76 mi (656.23 km) |
| Olton to Oloron-Sainte-Marie | 641.06 mi (1,031.68 km) |
| Olton to Onet Village | 592.83 mi (954.07 km) |
| Olton to Onnaing | 272.46 mi (438.48 km) |
| Olton to Orange | 648.46 mi (1,043.59 km) |
| Olton to Orchies | 256.17 mi (412.26 km) |
| Olton to Orleans | 353.75 mi (569.30 km) |
| Olton to Orly | 314.61 mi (506.32 km) |
| Olton to Ormesson-sur-Marne | 316.02 mi (508.58 km) |
| Olton to Orsay | 312.10 mi (502.28 km) |
