| Sonneberg to Oerlinghausen | 155.59 mi (250.40 km) |
| Sonneberg to Oestrich-Winkel | 142.19 mi (228.83 km) |
| Sonneberg to Offenburg | 195.06 mi (313.92 km) |
| Sonneberg to Oftersheim | 133.43 mi (214.73 km) |
| Sonneberg to Ohrdruf | 38.12 mi (61.36 km) |
| Sonneberg to Ohringen | 108.82 mi (175.14 km) |
| Sonneberg to Olbernhau | 97.68 mi (157.20 km) |
| Sonneberg to Olching | 148.70 mi (239.32 km) |
| Sonneberg to Oldenburg | 230.65 mi (371.19 km) |
| Sonneberg to Oldenburg in Holstein | 273.18 mi (439.64 km) |
| Sonneberg to Olfen | 189.55 mi (305.05 km) |
| Sonneberg to Olpe | 153.01 mi (246.25 km) |
| Sonneberg to Olsberg | 135.91 mi (218.73 km) |
| Sonneberg to Oranienburg | 188.42 mi (303.23 km) |
| Sonneberg to Ortenberg | 93.08 mi (149.80 km) |
