| Quedlinburg to Oerlinghausen | 106.48 mi (171.37 km) |
| Quedlinburg to Oestrich-Winkel | 184.73 mi (297.29 km) |
| Quedlinburg to Offenburg | 270.20 mi (434.85 km) |
| Quedlinburg to Oftersheim | 201.52 mi (324.32 km) |
| Quedlinburg to Ohrdruf | 68.94 mi (110.95 km) |
| Quedlinburg to Ohringen | 193.14 mi (310.83 km) |
| Quedlinburg to Olbernhau | 122.42 mi (197.01 km) |
| Quedlinburg to Olching | 248.28 mi (399.56 km) |
| Quedlinburg to Oldenburg | 154.81 mi (249.15 km) |
| Quedlinburg to Oldenburg in Holstein | 173.65 mi (279.47 km) |
| Quedlinburg to Olfen | 161.05 mi (259.19 km) |
| Quedlinburg to Olpe | 152.53 mi (245.47 km) |
| Quedlinburg to Olsberg | 118.39 mi (190.54 km) |
| Quedlinburg to Oranienburg | 110.58 mi (177.96 km) |
| Quedlinburg to Ortenberg | 134.49 mi (216.44 km) |
