| Gundelfingen to Octeville | 445.76 mi (717.38 km) |
| Gundelfingen to Oignies | 276.28 mi (444.64 km) |
| Gundelfingen to Oissel | 321.62 mi (517.60 km) |
| Gundelfingen to Olivet | 276.24 mi (444.56 km) |
| Gundelfingen to Ollioules | 352.52 mi (567.32 km) |
| Gundelfingen to Olonne-sur-Mer | 463.21 mi (745.47 km) |
| Gundelfingen to Oloron-Sainte-Marie | 528.48 mi (850.50 km) |
| Gundelfingen to Onet Village | 357.75 mi (575.74 km) |
| Gundelfingen to Onnaing | 251.64 mi (404.97 km) |
| Gundelfingen to Orange | 306.88 mi (493.87 km) |
| Gundelfingen to Orchies | 267.63 mi (430.70 km) |
| Gundelfingen to Orleans | 275.64 mi (443.60 km) |
| Gundelfingen to Orly | 255.67 mi (411.45 km) |
| Gundelfingen to Ormesson-sur-Marne | 249.60 mi (401.69 km) |
| Gundelfingen to Orsay | 264.47 mi (425.62 km) |
