| Gaggenau to Octeville | 452.88 mi (728.83 km) |
| Gaggenau to Oignies | 264.55 mi (425.76 km) |
| Gaggenau to Oissel | 329.14 mi (529.69 km) |
| Gaggenau to Olivet | 301.80 mi (485.70 km) |
| Gaggenau to Ollioules | 408.93 mi (658.11 km) |
| Gaggenau to Olonne-sur-Mer | 494.57 mi (795.93 km) |
| Gaggenau to Oloron-Sainte-Marie | 577.03 mi (928.64 km) |
| Gaggenau to Onet Village | 409.60 mi (659.19 km) |
| Gaggenau to Onnaing | 238.02 mi (383.06 km) |
| Gaggenau to Orange | 362.96 mi (584.13 km) |
| Gaggenau to Orchies | 254.67 mi (409.85 km) |
| Gaggenau to Orleans | 300.75 mi (484.01 km) |
| Gaggenau to Orly | 269.83 mi (434.25 km) |
| Gaggenau to Ormesson-sur-Marne | 263.07 mi (423.37 km) |
| Gaggenau to Orsay | 279.36 mi (449.59 km) |
