| Sangeorgiu de Mures to Oerlinghausen | 802.46 mi (1,291.43 km) |
| Sangeorgiu de Mures to Oestrich-Winkel | 791.95 mi (1,274.52 km) |
| Sangeorgiu de Mures to Offenburg | 781.32 mi (1,257.41 km) |
| Sangeorgiu de Mures to Oftersheim | 758.64 mi (1,220.91 km) |
| Sangeorgiu de Mures to Ohrdruf | 691.25 mi (1,112.46 km) |
| Sangeorgiu de Mures to Ohringen | 716.05 mi (1,152.37 km) |
| Sangeorgiu de Mures to Olbernhau | 581.90 mi (936.47 km) |
| Sangeorgiu de Mures to Olching | 624.94 mi (1,005.75 km) |
| Sangeorgiu de Mures to Oldenburg | 852.55 mi (1,372.05 km) |
| Sangeorgiu de Mures to Oldenburg in Holstein | 800.19 mi (1,287.78 km) |
| Sangeorgiu de Mures to Olfen | 848.14 mi (1,364.94 km) |
| Sangeorgiu de Mures to Olpe | 815.46 mi (1,312.35 km) |
| Sangeorgiu de Mures to Olsberg | 795.30 mi (1,279.91 km) |
| Sangeorgiu de Mures to Oranienburg | 659.07 mi (1,060.67 km) |
| Sangeorgiu de Mures to Ortenberg | 751.89 mi (1,210.05 km) |
