| Somero to Oestrich-Winkel | 950.08 mi (1,529.01 km) |
| Somero to Offenburg | 1,041.58 mi (1,676.26 km) |
| Somero to Oftersheim | 972.80 mi (1,565.57 km) |
| Somero to Ohrdruf | 837.34 mi (1,347.56 km) |
| Somero to Ohringen | 962.06 mi (1,548.29 km) |
| Somero to Olbernhau | 792.83 mi (1,275.94 km) |
| Somero to Olching | 985.63 mi (1,586.22 km) |
| Somero to Oldenburg | 772.11 mi (1,242.60 km) |
| Somero to Oldenburg in Holstein | 639.79 mi (1,029.65 km) |
| Somero to Olfen | 869.98 mi (1,400.10 km) |
| Somero to Olpe | 896.59 mi (1,442.93 km) |
| Somero to Olsberg | 861.39 mi (1,386.28 km) |
| Somero to Oranienburg | 668.03 mi (1,075.10 km) |
| Somero to Ortenberg | 903.97 mi (1,454.80 km) |
| Somero to Oschatz | 758.18 mi (1,220.17 km) |
