| Merthyr Tudful to Cervignano del Friuli | 861.04 mi (1,385.71 km) |
| Merthyr Tudful to Cesa | 1,117.07 mi (1,797.75 km) |
| Merthyr Tudful to Cesano Maderno | 708.82 mi (1,140.74 km) |
| Merthyr Tudful to Cesena | 890.79 mi (1,433.59 km) |
| Merthyr Tudful to Cesenatico | 893.57 mi (1,438.06 km) |
| Merthyr Tudful to Cetraro | 1,252.97 mi (2,016.46 km) |
| Merthyr Tudful to Cherasco | 711.53 mi (1,145.10 km) |
| Merthyr Tudful to Chiampo | 792.17 mi (1,274.88 km) |
| Merthyr Tudful to Chiaravalle | 956.05 mi (1,538.61 km) |
| Merthyr Tudful to Chiari | 740.89 mi (1,192.35 km) |
| Merthyr Tudful to Chiavari | 777.94 mi (1,251.97 km) |
| Merthyr Tudful to Chieri | 691.70 mi (1,113.18 km) |
| Merthyr Tudful to Chieti | 1,045.85 mi (1,683.14 km) |
| Merthyr Tudful to Chioggia | 844.32 mi (1,358.80 km) |
| Merthyr Tudful to Chiusi | 933.60 mi (1,502.49 km) |
