| Swansea to Cuenca | 4,486.13 mi (7,219.73 km) |
| Swansea to Cuevas del Almanzora | 4,597.61 mi (7,399.15 km) |
| Swansea to Cullera | 4,604.86 mi (7,410.81 km) |
| Swansea to Culleredo | 4,097.38 mi (6,594.10 km) |
| Swansea to Cunit | 4,615.87 mi (7,428.52 km) |
| Swansea to Daganzo de Arriba | 4,410.02 mi (7,097.24 km) |
| Swansea to Daimiel | 4,452.86 mi (7,166.19 km) |
| Swansea to Don Benito | 4,352.51 mi (7,004.70 km) |
| Swansea to Donostia | 4,382.26 mi (7,052.57 km) |
| Swansea to Dos Hermanas | 4,406.55 mi (7,091.66 km) |
| Swansea to Durango | 4,358.69 mi (7,014.63 km) |
| Swansea to Ecija | 4,437.80 mi (7,141.95 km) |
| Swansea to Ejea de los Caballeros | 4,460.05 mi (7,177.76 km) |
| Swansea to El Alamo | 4,396.05 mi (7,074.76 km) |
| Swansea to El Arahal | 4,424.86 mi (7,121.13 km) |
