| Witten to Oerlinghausen | 67.96 mi (109.37 km) |
| Witten to Oestrich-Winkel | 103.24 mi (166.14 km) |
| Witten to Offenburg | 206.70 mi (332.65 km) |
| Witten to Oftersheim | 152.80 mi (245.90 km) |
| Witten to Ohrdruf | 153.20 mi (246.55 km) |
| Witten to Ohringen | 181.50 mi (292.09 km) |
| Witten to Olbernhau | 265.86 mi (427.85 km) |
| Witten to Olching | 285.29 mi (459.14 km) |
| Witten to Oldenburg | 123.91 mi (199.41 km) |
| Witten to Oldenburg in Holstein | 247.23 mi (397.88 km) |
| Witten to Olfen | 19.70 mi (31.70 km) |
| Witten to Olpe | 36.01 mi (57.95 km) |
| Witten to Olsberg | 49.91 mi (80.33 km) |
| Witten to Oranienburg | 266.61 mi (429.07 km) |
| Witten to Ortenberg | 105.70 mi (170.11 km) |
