| Trossingen to Octeville | 479.06 mi (770.97 km) |
| Trossingen to Oignies | 303.28 mi (488.08 km) |
| Trossingen to Oissel | 354.77 mi (570.95 km) |
| Trossingen to Olivet | 311.82 mi (501.83 km) |
| Trossingen to Ollioules | 366.67 mi (590.10 km) |
| Trossingen to Olonne-sur-Mer | 498.71 mi (802.60 km) |
| Trossingen to Oloron-Sainte-Marie | 558.95 mi (899.55 km) |
| Trossingen to Onet Village | 385.98 mi (621.18 km) |
| Trossingen to Onnaing | 277.73 mi (446.97 km) |
| Trossingen to Orange | 327.94 mi (527.76 km) |
| Trossingen to Orchies | 294.08 mi (473.28 km) |
| Trossingen to Orleans | 311.21 mi (500.84 km) |
| Trossingen to Orly | 289.96 mi (466.64 km) |
| Trossingen to Ormesson-sur-Marne | 283.75 mi (456.65 km) |
| Trossingen to Orsay | 298.91 mi (481.05 km) |
