| Trittau to Oerlinghausen | 135.05 mi (217.35 km) |
| Trittau to Oestrich-Winkel | 270.07 mi (434.63 km) |
| Trittau to Offenburg | 371.56 mi (597.96 km) |
| Trittau to Oftersheim | 303.57 mi (488.54 km) |
| Trittau to Ohrdruf | 193.19 mi (310.90 km) |
| Trittau to Ohringen | 307.61 mi (495.05 km) |
| Trittau to Olbernhau | 238.73 mi (384.20 km) |
| Trittau to Olching | 376.37 mi (605.72 km) |
| Trittau to Oldenburg | 95.83 mi (154.23 km) |
| Trittau to Oldenburg in Holstein | 51.14 mi (82.30 km) |
| Trittau to Olfen | 182.21 mi (293.24 km) |
| Trittau to Olpe | 209.79 mi (337.62 km) |
| Trittau to Olsberg | 176.14 mi (283.48 km) |
| Trittau to Oranienburg | 131.69 mi (211.93 km) |
| Trittau to Ortenberg | 232.45 mi (374.09 km) |
