| Didcot to Quarteira | 1,058.95 mi (1,704.21 km) |
| Didcot to Queluz | 968.97 mi (1,559.40 km) |
| Didcot to Reguengos de Monsaraz | 960.83 mi (1,546.31 km) |
| Didcot to Resende | 792.34 mi (1,275.15 km) |
| Didcot to Ribeira Brava | 1,530.58 mi (2,463.22 km) |
| Didcot to Ribeira Grande | 1,513.57 mi (2,435.85 km) |
| Didcot to Rio de Mouro | 969.12 mi (1,559.65 km) |
| Didcot to Rio Maior | 925.03 mi (1,488.68 km) |
| Didcot to Rio Tinto | 799.53 mi (1,286.72 km) |
| Didcot to Sabugal | 826.09 mi (1,329.47 km) |
| Didcot to Sacavem | 963.11 mi (1,549.97 km) |
| Didcot to Salvaterra de Magos | 942.67 mi (1,517.08 km) |
| Didcot to Santa Comba Dao | 840.74 mi (1,353.03 km) |
| Didcot to Santa Cruz | 1,524.09 mi (2,452.79 km) |
| Didcot to Santa Iria da Azoia | 959.42 mi (1,544.03 km) |
