| Plonsk to Noventa Vicentina | 646.39 mi (1,040.26 km) |
| Plonsk to Novi di Modena | 686.19 mi (1,104.32 km) |
| Plonsk to Novi Ligure | 757.00 mi (1,218.27 km) |
| Plonsk to Nuoro | 997.79 mi (1,605.78 km) |
| Plonsk to Occhiobello | 665.70 mi (1,071.34 km) |
| Plonsk to Oderzo | 591.74 mi (952.31 km) |
| Plonsk to Oggiono | 685.65 mi (1,103.45 km) |
| Plonsk to Olbia | 957.12 mi (1,540.33 km) |
| Plonsk to Oleggio | 718.45 mi (1,156.23 km) |
| Plonsk to Olgiate Comasco | 698.20 mi (1,123.64 km) |
| Plonsk to Olgiate Olona | 708.52 mi (1,140.26 km) |
| Plonsk to Omegna | 712.20 mi (1,146.17 km) |
| Plonsk to Opera | 710.56 mi (1,143.53 km) |
| Plonsk to Oppeano | 655.35 mi (1,054.68 km) |
| Plonsk to Orbassano | 784.78 mi (1,262.98 km) |
