| Sigmaringen to Octeville | 504.53 mi (811.95 km) |
| Sigmaringen to Oignies | 325.08 mi (523.16 km) |
| Sigmaringen to Oissel | 380.22 mi (611.90 km) |
| Sigmaringen to Olivet | 338.61 mi (544.94 km) |
| Sigmaringen to Ollioules | 378.54 mi (609.20 km) |
| Sigmaringen to Olonne-sur-Mer | 525.34 mi (845.46 km) |
| Sigmaringen to Oloron-Sainte-Marie | 581.89 mi (936.46 km) |
| Sigmaringen to Onet Village | 407.56 mi (655.91 km) |
| Sigmaringen to Onnaing | 299.08 mi (481.32 km) |
| Sigmaringen to Orange | 344.80 mi (554.91 km) |
| Sigmaringen to Orchies | 315.59 mi (507.89 km) |
| Sigmaringen to Orleans | 337.99 mi (543.94 km) |
| Sigmaringen to Orly | 316.09 mi (508.70 km) |
| Sigmaringen to Ormesson-sur-Marne | 309.81 mi (498.59 km) |
| Sigmaringen to Orsay | 325.12 mi (523.23 km) |
