| Llanelli to Cividale del Friuli | 884.57 mi (1,423.58 km) |
| Llanelli to Civita Castellana | 1,011.18 mi (1,627.33 km) |
| Llanelli to Civitanova Marche | 1,012.35 mi (1,629.21 km) |
| Llanelli to Civitavecchia | 999.38 mi (1,608.35 km) |
| Llanelli to Civitella in Val di Chiana | 931.88 mi (1,499.71 km) |
| Llanelli to Clusone | 755.34 mi (1,215.60 km) |
| Llanelli to Coccaglio | 769.96 mi (1,239.13 km) |
| Llanelli to Codigoro | 882.93 mi (1,420.94 km) |
| Llanelli to Codogno | 777.39 mi (1,251.09 km) |
| Llanelli to Codroipo | 871.38 mi (1,402.35 km) |
| Llanelli to Cogoleto | 775.36 mi (1,247.82 km) |
| Llanelli to Colle di Val d'Elsa | 911.53 mi (1,466.97 km) |
| Llanelli to Colle Salvetti | 878.59 mi (1,413.95 km) |
| Llanelli to Collecchio | 814.84 mi (1,311.35 km) |
| Llanelli to Colleferro | 1,060.78 mi (1,707.16 km) |
