| Merseburg to Oestrich-Winkel | 198.25 mi (319.06 km) |
| Merseburg to Offenburg | 269.05 mi (433.00 km) |
| Merseburg to Oftersheim | 203.31 mi (327.20 km) |
| Merseburg to Ohrdruf | 65.67 mi (105.68 km) |
| Merseburg to Ohringen | 185.11 mi (297.90 km) |
| Merseburg to Olbernhau | 75.19 mi (121.00 km) |
| Merseburg to Olching | 220.02 mi (354.09 km) |
| Merseburg to Oldenburg | 202.04 mi (325.16 km) |
| Merseburg to Oldenburg in Holstein | 208.72 mi (335.90 km) |
| Merseburg to Olfen | 199.65 mi (321.30 km) |
| Merseburg to Olpe | 181.62 mi (292.29 km) |
| Merseburg to Olsberg | 151.42 mi (243.69 km) |
| Merseburg to Oranienburg | 110.23 mi (177.39 km) |
| Merseburg to Ortenberg | 145.51 mi (234.17 km) |
| Merseburg to Oschatz | 48.26 mi (77.66 km) |
