| Didcot to Benavente | 946.22 mi (1,522.79 km) |
| Didcot to Bombarral | 933.53 mi (1,502.37 km) |
| Didcot to Bougado | 789.42 mi (1,270.45 km) |
| Didcot to Braga | 773.04 mi (1,244.08 km) |
| Didcot to Braganca | 725.26 mi (1,167.20 km) |
| Didcot to Cabeceiras de Basto | 765.97 mi (1,232.71 km) |
| Didcot to Cacem | 968.55 mi (1,558.73 km) |
| Didcot to Cadaval | 934.69 mi (1,504.23 km) |
| Didcot to Caldas da Rainha | 924.21 mi (1,487.36 km) |
| Didcot to Calheta | 1,530.99 mi (2,463.88 km) |
| Didcot to Camara de Lobos | 1,527.96 mi (2,459.02 km) |
| Didcot to Canico | 1,528.00 mi (2,459.07 km) |
| Didcot to Cantanhede | 853.30 mi (1,373.26 km) |
| Didcot to Carregal do Sal | 836.43 mi (1,346.10 km) |
| Didcot to Cartaxo | 934.03 mi (1,503.18 km) |
