| Siggiewi to Oerlinghausen | 1,148.82 mi (1,848.85 km) |
| Siggiewi to Oestrich-Winkel | 1,029.26 mi (1,656.43 km) |
| Siggiewi to Offenburg | 932.09 mi (1,500.06 km) |
| Siggiewi to Oftersheim | 979.42 mi (1,576.22 km) |
| Siggiewi to Ohrdruf | 1,050.87 mi (1,691.21 km) |
| Siggiewi to Ohringen | 955.24 mi (1,537.31 km) |
| Siggiewi to Olbernhau | 1,024.92 mi (1,649.45 km) |
| Siggiewi to Olching | 867.73 mi (1,396.47 km) |
| Siggiewi to Oldenburg | 1,232.20 mi (1,983.04 km) |
| Siggiewi to Oldenburg in Holstein | 1,285.82 mi (2,069.33 km) |
| Siggiewi to Olfen | 1,149.77 mi (1,850.38 km) |
| Siggiewi to Olpe | 1,097.68 mi (1,766.55 km) |
| Siggiewi to Olsberg | 1,110.41 mi (1,787.04 km) |
| Siggiewi to Oranienburg | 1,169.16 mi (1,881.58 km) |
| Siggiewi to Ortenberg | 1,037.40 mi (1,669.54 km) |
