| Witzenhausen to Oerlinghausen | 66.85 mi (107.58 km) |
| Witzenhausen to Oestrich-Winkel | 123.35 mi (198.52 km) |
| Witzenhausen to Offenburg | 216.33 mi (348.15 km) |
| Witzenhausen to Oftersheim | 147.33 mi (237.10 km) |
| Witzenhausen to Ohrdruf | 52.00 mi (83.68 km) |
| Witzenhausen to Ohringen | 148.85 mi (239.55 km) |
| Witzenhausen to Olbernhau | 158.13 mi (254.49 km) |
| Witzenhausen to Olching | 226.64 mi (364.75 km) |
| Witzenhausen to Oldenburg | 142.59 mi (229.47 km) |
| Witzenhausen to Oldenburg in Holstein | 208.80 mi (336.02 km) |
| Witzenhausen to Olfen | 109.46 mi (176.16 km) |
| Witzenhausen to Olpe | 90.52 mi (145.68 km) |
| Witzenhausen to Olsberg | 59.32 mi (95.47 km) |
| Witzenhausen to Oranienburg | 173.57 mi (279.34 km) |
| Witzenhausen to Ortenberg | 76.62 mi (123.30 km) |
