| Heerlen to Cesme | 1,315.80 mi (2,117.58 km) |
| Heerlen to Ceyhan | 1,747.18 mi (2,811.82 km) |
| Heerlen to Ceylanpinar | 1,929.95 mi (3,105.96 km) |
| Heerlen to Cicekdagi | 1,572.97 mi (2,531.45 km) |
| Heerlen to Cide | 1,418.97 mi (2,283.61 km) |
| Heerlen to Cifteler | 1,445.93 mi (2,327.00 km) |
| Heerlen to Ciftlik | 1,640.48 mi (2,640.10 km) |
| Heerlen to Ciftlikkoy | 1,319.55 mi (2,123.60 km) |
| Heerlen to Cihanbeyli | 1,555.00 mi (2,502.53 km) |
| Heerlen to Cildir | 1,882.04 mi (3,028.85 km) |
| Heerlen to Cilimli | 1,378.95 mi (2,219.20 km) |
| Heerlen to Cinar | 1,906.04 mi (3,067.47 km) |
| Heerlen to Cinarcik | 1,312.22 mi (2,111.82 km) |
| Heerlen to Cine | 1,416.72 mi (2,279.99 km) |
| Heerlen to Civril | 1,445.90 mi (2,326.96 km) |
