| Welkenraedt to Cologno al Serio | 390.57 mi (628.56 km) |
| Welkenraedt to Cologno Monzese | 385.93 mi (621.10 km) |
| Welkenraedt to Colorno | 445.37 mi (716.75 km) |
| Welkenraedt to Comacchio | 502.71 mi (809.04 km) |
| Welkenraedt to Comiso | 1,038.76 mi (1,671.72 km) |
| Welkenraedt to Como | 364.41 mi (586.46 km) |
| Welkenraedt to Concordia Sagittaria | 462.90 mi (744.96 km) |
| Welkenraedt to Concorezzo | 383.09 mi (616.52 km) |
| Welkenraedt to Conegliano | 439.48 mi (707.27 km) |
| Welkenraedt to Conselice | 504.44 mi (811.81 km) |
| Welkenraedt to Conselve | 463.42 mi (745.80 km) |
| Welkenraedt to Conversano | 856.36 mi (1,378.18 km) |
| Welkenraedt to Copertino | 924.03 mi (1,487.09 km) |
| Welkenraedt to Copparo | 481.84 mi (775.44 km) |
| Welkenraedt to Corato | 824.87 mi (1,327.50 km) |
