| Plonsk to Collegno | 780.06 mi (1,255.39 km) |
| Plonsk to Cologno al Serio | 684.77 mi (1,102.03 km) |
| Plonsk to Cologno Monzese | 701.05 mi (1,128.23 km) |
| Plonsk to Colorno | 698.91 mi (1,124.79 km) |
| Plonsk to Comacchio | 662.75 mi (1,066.60 km) |
| Plonsk to Comiso | 1,119.20 mi (1,801.17 km) |
| Plonsk to Como | 692.90 mi (1,115.12 km) |
| Plonsk to Concordia Sagittaria | 583.07 mi (938.36 km) |
| Plonsk to Concorezzo | 696.04 mi (1,120.17 km) |
| Plonsk to Conegliano | 591.04 mi (951.18 km) |
| Plonsk to Conselice | 682.55 mi (1,098.46 km) |
| Plonsk to Conselve | 640.05 mi (1,030.06 km) |
| Plonsk to Conversano | 820.53 mi (1,320.52 km) |
| Plonsk to Copertino | 861.52 mi (1,386.48 km) |
| Plonsk to Copparo | 660.17 mi (1,062.44 km) |
