| Wittingen to Oerlinghausen | 101.46 mi (163.29 km) |
| Wittingen to Oestrich-Winkel | 221.64 mi (356.69 km) |
| Wittingen to Offenburg | 318.23 mi (512.15 km) |
| Wittingen to Oftersheim | 249.29 mi (401.20 km) |
| Wittingen to Ohrdruf | 130.49 mi (210.00 km) |
| Wittingen to Ohringen | 248.83 mi (400.45 km) |
| Wittingen to Olbernhau | 180.15 mi (289.92 km) |
| Wittingen to Olching | 313.12 mi (503.92 km) |
| Wittingen to Oldenburg | 109.00 mi (175.41 km) |
| Wittingen to Oldenburg in Holstein | 109.57 mi (176.33 km) |
| Wittingen to Olfen | 157.73 mi (253.84 km) |
| Wittingen to Olpe | 170.58 mi (274.52 km) |
| Wittingen to Olsberg | 134.39 mi (216.28 km) |
| Wittingen to Oranienburg | 104.77 mi (168.61 km) |
| Wittingen to Ortenberg | 178.34 mi (287.01 km) |
