| Tettnang to Octeville | 529.61 mi (852.32 km) |
| Tettnang to Oignies | 355.43 mi (572.00 km) |
| Tettnang to Oissel | 405.45 mi (652.50 km) |
| Tettnang to Olivet | 357.09 mi (574.67 km) |
| Tettnang to Ollioules | 361.77 mi (582.21 km) |
| Tettnang to Olonne-sur-Mer | 539.49 mi (868.23 km) |
| Tettnang to Oloron-Sainte-Marie | 582.36 mi (937.22 km) |
| Tettnang to Onet Village | 405.65 mi (652.84 km) |
| Tettnang to Onnaing | 329.78 mi (530.74 km) |
| Tettnang to Orange | 335.04 mi (539.20 km) |
| Tettnang to Orchies | 346.18 mi (557.12 km) |
| Tettnang to Orleans | 356.67 mi (574.01 km) |
| Tettnang to Orly | 339.34 mi (546.12 km) |
| Tettnang to Ormesson-sur-Marne | 333.34 mi (536.46 km) |
| Tettnang to Orsay | 348.06 mi (560.14 km) |
