| Simeria to Oerlinghausen | 774.36 mi (1,246.22 km) |
| Simeria to Oestrich-Winkel | 750.11 mi (1,207.19 km) |
| Simeria to Offenburg | 729.70 mi (1,174.34 km) |
| Simeria to Oftersheim | 713.24 mi (1,147.85 km) |
| Simeria to Ohrdruf | 659.25 mi (1,060.96 km) |
| Simeria to Ohringen | 670.35 mi (1,078.82 km) |
| Simeria to Olbernhau | 555.05 mi (893.27 km) |
| Simeria to Olching | 573.53 mi (923.00 km) |
| Simeria to Oldenburg | 830.89 mi (1,337.19 km) |
| Simeria to Oldenburg in Holstein | 791.59 mi (1,273.95 km) |
| Simeria to Olfen | 816.38 mi (1,313.84 km) |
| Simeria to Olpe | 779.95 mi (1,255.22 km) |
| Simeria to Olsberg | 762.90 mi (1,227.76 km) |
| Simeria to Oranienburg | 648.07 mi (1,042.97 km) |
| Simeria to Ortenberg | 713.68 mi (1,148.56 km) |
