| Heerlen to Casamassima | 862.50 mi (1,388.06 km) |
| Heerlen to Casandrino | 792.95 mi (1,276.12 km) |
| Heerlen to Casapulla | 785.55 mi (1,264.23 km) |
| Heerlen to Casarano | 952.63 mi (1,533.10 km) |
| Heerlen to Casatenovo | 389.45 mi (626.77 km) |
| Heerlen to Casciana Terme | 552.55 mi (889.24 km) |
| Heerlen to Cascina | 541.30 mi (871.14 km) |
| Heerlen to Caselle Torinese | 401.62 mi (646.35 km) |
| Heerlen to Caserta | 786.76 mi (1,266.17 km) |
| Heerlen to Casier | 463.49 mi (745.91 km) |
| Heerlen to Casorate Primo | 409.20 mi (658.54 km) |
| Heerlen to Casoria | 796.19 mi (1,281.34 km) |
| Heerlen to Cassano al Ionio | 914.63 mi (1,471.95 km) |
| Heerlen to Cassano d'Adda | 403.75 mi (649.77 km) |
| Heerlen to Cassano delle Murge | 862.04 mi (1,387.32 km) |
