| Harnes to Civita Castellana | 721.51 mi (1,161.15 km) |
| Harnes to Civitanova Marche | 709.47 mi (1,141.79 km) |
| Harnes to Civitavecchia | 715.07 mi (1,150.80 km) |
| Harnes to Civitella in Val di Chiana | 638.35 mi (1,027.33 km) |
| Harnes to Clusone | 452.09 mi (727.58 km) |
| Harnes to Coccaglio | 469.35 mi (755.34 km) |
| Harnes to Codigoro | 577.34 mi (929.14 km) |
| Harnes to Codogno | 482.20 mi (776.03 km) |
| Harnes to Codroipo | 557.02 mi (896.44 km) |
| Harnes to Cogoleto | 496.73 mi (799.42 km) |
| Harnes to Colle di Val d'Elsa | 621.85 mi (1,000.77 km) |
| Harnes to Colle Salvetti | 591.85 mi (952.49 km) |
| Harnes to Collecchio | 519.94 mi (836.76 km) |
| Harnes to Colleferro | 771.24 mi (1,241.20 km) |
| Harnes to Collegno | 429.35 mi (690.97 km) |
