| Bad Gandersheim to Octeville | 532.48 mi (856.95 km) |
| Bad Gandersheim to Oignies | 319.52 mi (514.22 km) |
| Bad Gandersheim to Oissel | 428.60 mi (689.77 km) |
| Bad Gandersheim to Olivet | 455.19 mi (732.56 km) |
| Bad Gandersheim to Ollioules | 633.82 mi (1,020.03 km) |
| Bad Gandersheim to Olonne-sur-Mer | 646.51 mi (1,040.46 km) |
| Bad Gandersheim to Oloron-Sainte-Marie | 776.49 mi (1,249.64 km) |
| Bad Gandersheim to Onet Village | 620.97 mi (999.35 km) |
| Bad Gandersheim to Onnaing | 296.83 mi (477.69 km) |
| Bad Gandersheim to Orange | 585.84 mi (942.83 km) |
| Bad Gandersheim to Orchies | 309.07 mi (497.40 km) |
| Bad Gandersheim to Orleans | 453.17 mi (729.30 km) |
| Bad Gandersheim to Orly | 399.87 mi (643.53 km) |
| Bad Gandersheim to Ormesson-sur-Marne | 392.80 mi (632.14 km) |
| Bad Gandersheim to Orsay | 409.33 mi (658.75 km) |
