| Zambrow to Orbetello | 888.91 mi (1,430.56 km) |
| Zambrow to Oria | 889.31 mi (1,431.20 km) |
| Zambrow to Oristano | 1,109.18 mi (1,785.05 km) |
| Zambrow to Orta Nova | 860.85 mi (1,385.40 km) |
| Zambrow to Orte | 857.80 mi (1,380.49 km) |
| Zambrow to Ortona | 819.33 mi (1,318.58 km) |
| Zambrow to Orvieto | 849.10 mi (1,366.50 km) |
| Zambrow to Orzinuovi | 762.16 mi (1,226.58 km) |
| Zambrow to Osimo | 769.20 mi (1,237.92 km) |
| Zambrow to Ospitaletto | 749.66 mi (1,206.46 km) |
| Zambrow to Ostuni | 874.16 mi (1,406.83 km) |
| Zambrow to Ottaviano | 913.79 mi (1,470.60 km) |
| Zambrow to Ovada | 843.30 mi (1,357.16 km) |
| Zambrow to Ozieri | 1,057.80 mi (1,702.36 km) |
| Zambrow to Paceco | 1,135.54 mi (1,827.48 km) |
