| Swansea to Cadiz | 4,414.42 mi (7,104.32 km) |
| Swansea to Calafell | 4,612.88 mi (7,423.72 km) |
| Swansea to Calahorra | 4,417.35 mi (7,109.04 km) |
| Swansea to Calasparra | 4,571.86 mi (7,357.70 km) |
| Swansea to Calatayud | 4,464.87 mi (7,185.52 km) |
| Swansea to Caldas de Montbuy | 4,623.50 mi (7,440.81 km) |
| Swansea to Caldas de Reyes | 4,106.83 mi (6,609.30 km) |
| Swansea to Calella | 4,645.85 mi (7,476.77 km) |
| Swansea to Callosa de Segura | 4,613.75 mi (7,425.12 km) |
| Swansea to Calpe | 4,637.26 mi (7,462.95 km) |
| Swansea to Calvia | 4,714.79 mi (7,587.72 km) |
| Swansea to Camas | 4,397.19 mi (7,076.59 km) |
| Swansea to Cambados | 4,102.57 mi (6,602.44 km) |
| Swansea to Cambre | 4,100.10 mi (6,598.47 km) |
| Swansea to Cambrils | 4,594.98 mi (7,394.90 km) |
