| Cities | Distance |
|---|---|
| Plonsk to Orbetello | 822.59 mi (1,323.83 km) |
| Plonsk to Oria | 848.28 mi (1,365.18 km) |
| Plonsk to Oristano | 1,041.31 mi (1,675.82 km) |
| Plonsk to Orta Nova | 810.94 mi (1,305.09 km) |
| Plonsk to Orte | 794.58 mi (1,278.75 km) |
| Plonsk to Ortona | 762.79 mi (1,227.60 km) |
| Plonsk to Orvieto | 784.59 mi (1,262.68 km) |
| Plonsk to Orzinuovi | 687.15 mi (1,105.85 km) |
| Plonsk to Osimo | 707.20 mi (1,138.12 km) |
| Plonsk to Ospitaletto | 674.56 mi (1,085.60 km) |
| Plonsk to Ostuni | 832.69 mi (1,340.08 km) |
| Plonsk to Ottaviano | 860.11 mi (1,384.21 km) |
| Plonsk to Ovada | 767.74 mi (1,235.56 km) |
| Plonsk to Ozieri | 989.73 mi (1,592.81 km) |
| Plonsk to Paceco | 1,079.88 mi (1,737.89 km) |