| Riedlingen to Octeville | 514.60 mi (828.17 km) |
| Riedlingen to Oignies | 332.61 mi (535.28 km) |
| Riedlingen to Oissel | 390.32 mi (628.16 km) |
| Riedlingen to Olivet | 350.45 mi (564.00 km) |
| Riedlingen to Ollioules | 388.19 mi (624.74 km) |
| Riedlingen to Olonne-sur-Mer | 537.70 mi (865.35 km) |
| Riedlingen to Oloron-Sainte-Marie | 594.44 mi (956.67 km) |
| Riedlingen to Onet Village | 419.90 mi (675.76 km) |
| Riedlingen to Onnaing | 306.36 mi (493.03 km) |
| Riedlingen to Orange | 356.03 mi (572.98 km) |
| Riedlingen to Orchies | 322.94 mi (519.72 km) |
| Riedlingen to Orleans | 349.79 mi (562.94 km) |
| Riedlingen to Orly | 326.88 mi (526.06 km) |
| Riedlingen to Ormesson-sur-Marne | 320.52 mi (515.83 km) |
| Riedlingen to Orsay | 335.99 mi (540.72 km) |
