| Ballenstedt to Oestrich-Winkel | 184.52 mi (296.96 km) |
| Ballenstedt to Offenburg | 268.22 mi (431.66 km) |
| Ballenstedt to Oftersheim | 199.76 mi (321.49 km) |
| Ballenstedt to Ohrdruf | 65.37 mi (105.21 km) |
| Ballenstedt to Ohringen | 190.14 mi (305.99 km) |
| Ballenstedt to Olbernhau | 116.32 mi (187.20 km) |
| Ballenstedt to Olching | 243.23 mi (391.45 km) |
| Ballenstedt to Oldenburg | 160.92 mi (258.98 km) |
| Ballenstedt to Oldenburg in Holstein | 178.87 mi (287.86 km) |
| Ballenstedt to Olfen | 164.96 mi (265.48 km) |
| Ballenstedt to Olpe | 154.66 mi (248.90 km) |
| Ballenstedt to Olsberg | 121.09 mi (194.88 km) |
| Ballenstedt to Oranienburg | 110.74 mi (178.22 km) |
| Ballenstedt to Ortenberg | 133.68 mi (215.14 km) |
| Ballenstedt to Oschatz | 85.47 mi (137.55 km) |
