| Cwmbran to Cuenca | 801.62 mi (1,290.08 km) |
| Cwmbran to Cuevas del Almanzora | 993.29 mi (1,598.55 km) |
| Cwmbran to Cullera | 873.14 mi (1,405.18 km) |
| Cwmbran to Culleredo | 629.56 mi (1,013.18 km) |
| Cwmbran to Cunit | 755.26 mi (1,215.47 km) |
| Cwmbran to Daganzo de Arriba | 767.89 mi (1,235.79 km) |
| Cwmbran to Daimiel | 868.96 mi (1,398.45 km) |
| Cwmbran to Don Benito | 888.00 mi (1,429.09 km) |
| Cwmbran to Donostia | 577.79 mi (929.86 km) |
| Cwmbran to Dos Hermanas | 1,002.87 mi (1,613.97 km) |
| Cwmbran to Durango | 586.48 mi (943.84 km) |
| Cwmbran to Ecija | 980.73 mi (1,578.34 km) |
| Cwmbran to Ejea de los Caballeros | 663.95 mi (1,068.53 km) |
| Cwmbran to El Alamo | 790.58 mi (1,272.31 km) |
| Cwmbran to El Arahal | 1,001.63 mi (1,611.97 km) |
