| Swindon to Benavente | 933.63 mi (1,502.53 km) |
| Swindon to Bombarral | 920.41 mi (1,481.25 km) |
| Swindon to Bougado | 775.76 mi (1,248.47 km) |
| Swindon to Braga | 759.40 mi (1,222.13 km) |
| Swindon to Braganca | 713.59 mi (1,148.41 km) |
| Swindon to Cabeceiras de Basto | 752.83 mi (1,211.56 km) |
| Swindon to Cacem | 955.52 mi (1,537.76 km) |
| Swindon to Cadaval | 921.64 mi (1,483.24 km) |
| Swindon to Caldas da Rainha | 911.03 mi (1,466.17 km) |
| Swindon to Calheta | 1,514.46 mi (2,437.28 km) |
| Swindon to Camara de Lobos | 1,511.55 mi (2,432.61 km) |
| Swindon to Canico | 1,511.68 mi (2,432.81 km) |
| Swindon to Cantanhede | 840.21 mi (1,352.18 km) |
| Swindon to Carregal do Sal | 823.97 mi (1,326.05 km) |
| Swindon to Cartaxo | 921.37 mi (1,482.80 km) |
