| Datteln to Octeville | 417.53 mi (671.95 km) |
| Datteln to Oignies | 205.75 mi (331.12 km) |
| Datteln to Oissel | 317.62 mi (511.16 km) |
| Datteln to Olivet | 356.95 mi (574.46 km) |
| Datteln to Ollioules | 592.40 mi (953.38 km) |
| Datteln to Olonne-sur-Mer | 542.51 mi (873.08 km) |
| Datteln to Oloron-Sainte-Marie | 691.69 mi (1,113.18 km) |
| Datteln to Onet Village | 549.03 mi (883.58 km) |
| Datteln to Onnaing | 184.70 mi (297.25 km) |
| Datteln to Orange | 532.27 mi (856.61 km) |
| Datteln to Orchies | 195.65 mi (314.87 km) |
| Datteln to Orleans | 354.68 mi (570.81 km) |
| Datteln to Orly | 297.09 mi (478.12 km) |
| Datteln to Ormesson-sur-Marne | 290.34 mi (467.26 km) |
| Datteln to Orsay | 306.01 mi (492.48 km) |
