| Somain to Oestrich-Winkel | 210.25 mi (338.37 km) |
| Somain to Offenburg | 246.54 mi (396.77 km) |
| Somain to Oftersheim | 245.83 mi (395.62 km) |
| Somain to Ohrdruf | 328.36 mi (528.44 km) |
| Somain to Ohringen | 288.70 mi (464.61 km) |
| Somain to Olbernhau | 441.88 mi (711.14 km) |
| Somain to Olching | 391.46 mi (629.99 km) |
| Somain to Oldenburg | 285.54 mi (459.53 km) |
| Somain to Oldenburg in Holstein | 420.63 mi (676.93 km) |
| Somain to Olfen | 201.45 mi (324.20 km) |
| Somain to Olpe | 204.41 mi (328.96 km) |
| Somain to Olsberg | 237.02 mi (381.45 km) |
| Somain to Oranienburg | 458.19 mi (737.38 km) |
| Somain to Ortenberg | 254.51 mi (409.59 km) |
| Somain to Oschatz | 433.45 mi (697.56 km) |
