| Marktoberdorf to Octeville | 572.98 mi (922.12 km) |
| Marktoberdorf to Oignies | 391.78 mi (630.52 km) |
| Marktoberdorf to Oissel | 448.68 mi (722.08 km) |
| Marktoberdorf to Olivet | 404.25 mi (650.58 km) |
| Marktoberdorf to Ollioules | 394.37 mi (634.68 km) |
| Marktoberdorf to Olonne-sur-Mer | 587.68 mi (945.78 km) |
| Marktoberdorf to Oloron-Sainte-Marie | 627.94 mi (1,010.58 km) |
| Marktoberdorf to Onet Village | 450.38 mi (724.82 km) |
| Marktoberdorf to Onnaing | 365.43 mi (588.11 km) |
| Marktoberdorf to Orange | 374.86 mi (603.28 km) |
| Marktoberdorf to Orchies | 382.05 mi (614.84 km) |
| Marktoberdorf to Orleans | 403.76 mi (649.79 km) |
| Marktoberdorf to Orly | 384.10 mi (618.16 km) |
| Marktoberdorf to Ormesson-sur-Marne | 377.90 mi (608.18 km) |
| Marktoberdorf to Orsay | 393.03 mi (632.53 km) |
