| Belgrade to Oerlinghausen | 730.87 mi (1,176.23 km) |
| Belgrade to Oestrich-Winkel | 682.46 mi (1,098.32 km) |
| Belgrade to Offenburg | 644.44 mi (1,037.12 km) |
| Belgrade to Oftersheim | 639.95 mi (1,029.90 km) |
| Belgrade to Ohrdruf | 612.22 mi (985.27 km) |
| Belgrade to Ohringen | 597.66 mi (961.84 km) |
| Belgrade to Olbernhau | 521.84 mi (839.81 km) |
| Belgrade to Olching | 493.08 mi (793.53 km) |
| Belgrade to Oldenburg | 797.35 mi (1,283.22 km) |
| Belgrade to Oldenburg in Holstein | 781.56 mi (1,257.80 km) |
| Belgrade to Olfen | 765.38 mi (1,231.76 km) |
| Belgrade to Olpe | 723.08 mi (1,163.69 km) |
| Belgrade to Olsberg | 712.02 mi (1,145.88 km) |
| Belgrade to Oranienburg | 638.54 mi (1,027.62 km) |
| Belgrade to Ortenberg | 653.63 mi (1,051.92 km) |
