| Trittau to Octeville | 584.51 mi (940.67 km) |
| Trittau to Oignies | 382.27 mi (615.20 km) |
| Trittau to Oissel | 497.03 mi (799.90 km) |
| Trittau to Olivet | 543.43 mi (874.56 km) |
| Trittau to Ollioules | 753.07 mi (1,211.95 km) |
| Trittau to Olonne-sur-Mer | 726.69 mi (1,169.49 km) |
| Trittau to Oloron-Sainte-Marie | 877.29 mi (1,411.86 km) |
| Trittau to Onet Village | 729.63 mi (1,174.22 km) |
| Trittau to Onnaing | 365.09 mi (587.55 km) |
| Trittau to Orange | 701.90 mi (1,129.59 km) |
| Trittau to Orchies | 373.34 mi (600.83 km) |
| Trittau to Orleans | 541.13 mi (870.87 km) |
| Trittau to Orly | 482.81 mi (777.00 km) |
| Trittau to Ormesson-sur-Marne | 476.19 mi (766.35 km) |
| Trittau to Orsay | 491.50 mi (791.00 km) |
