| Plonsk to Castrovillari | 907.44 mi (1,460.38 km) |
| Plonsk to Catania | 1,076.30 mi (1,732.14 km) |
| Plonsk to Catanzaro | 965.89 mi (1,554.46 km) |
| Plonsk to Cattolica | 693.52 mi (1,116.11 km) |
| Plonsk to Cava de' Tirreni | 866.75 mi (1,394.90 km) |
| Plonsk to Cavallino | 857.21 mi (1,379.54 km) |
| Plonsk to Cavarzere | 639.83 mi (1,029.71 km) |
| Plonsk to Cave | 824.02 mi (1,326.13 km) |
| Plonsk to Cavriago | 707.55 mi (1,138.69 km) |
| Plonsk to Cavriglia | 750.81 mi (1,208.31 km) |
| Plonsk to Cazzago San Martino | 674.63 mi (1,085.72 km) |
| Plonsk to Ceccano | 832.46 mi (1,339.72 km) |
| Plonsk to Cecina | 787.53 mi (1,267.41 km) |
| Plonsk to Cefalu | 1,054.07 mi (1,696.36 km) |
| Plonsk to Ceglie Messapico | 839.01 mi (1,350.25 km) |
