| Harnes to Cologno al Serio | 459.46 mi (739.43 km) |
| Harnes to Cologno Monzese | 449.37 mi (723.19 km) |
| Harnes to Colorno | 515.22 mi (829.17 km) |
| Harnes to Comacchio | 586.21 mi (943.42 km) |
| Harnes to Comiso | 1,097.35 mi (1,766.01 km) |
| Harnes to Como | 428.40 mi (689.45 km) |
| Harnes to Concordia Sagittaria | 560.48 mi (902.00 km) |
| Harnes to Concorezzo | 447.83 mi (720.72 km) |
| Harnes to Conegliano | 534.60 mi (860.36 km) |
| Harnes to Conselice | 583.66 mi (939.32 km) |
| Harnes to Conselve | 549.20 mi (883.85 km) |
| Harnes to Conversano | 945.17 mi (1,521.11 km) |
| Harnes to Copertino | 1,013.81 mi (1,631.56 km) |
| Harnes to Copparo | 564.35 mi (908.23 km) |
| Harnes to Corato | 911.11 mi (1,466.29 km) |
