| Zrenjanin to Oerlinghausen | 700.61 mi (1,127.53 km) |
| Zrenjanin to Oestrich-Winkel | 657.44 mi (1,058.05 km) |
| Zrenjanin to Offenburg | 624.31 mi (1,004.74 km) |
| Zrenjanin to Oftersheim | 616.29 mi (991.82 km) |
| Zrenjanin to Ohrdruf | 582.29 mi (937.10 km) |
| Zrenjanin to Ohringen | 573.68 mi (923.25 km) |
| Zrenjanin to Olbernhau | 489.03 mi (787.01 km) |
| Zrenjanin to Olching | 470.86 mi (757.77 km) |
| Zrenjanin to Oldenburg | 765.45 mi (1,231.88 km) |
| Zrenjanin to Oldenburg in Holstein | 746.22 mi (1,200.93 km) |
| Zrenjanin to Olfen | 736.72 mi (1,185.63 km) |
| Zrenjanin to Olpe | 695.59 mi (1,119.44 km) |
| Zrenjanin to Olsberg | 683.19 mi (1,099.49 km) |
| Zrenjanin to Oranienburg | 602.83 mi (970.16 km) |
| Zrenjanin to Ortenberg | 626.66 mi (1,008.51 km) |
