| Seia to Pombal | 60.09 mi (96.70 km) |
| Seia to Ponta Delgada | 979.52 mi (1,576.39 km) |
| Seia to Ponta do Sol | 746.39 mi (1,201.20 km) |
| Seia to Ponte da Barca | 102.21 mi (164.50 km) |
| Seia to Ponte de Lima | 103.23 mi (166.14 km) |
| Seia to Ponte de Sor | 82.68 mi (133.05 km) |
| Seia to Portalegre | 77.86 mi (125.30 km) |
| Seia to Portimao | 231.40 mi (372.40 km) |
| Seia to Porto | 70.21 mi (112.98 km) |
| Seia to Porto de Mos | 81.82 mi (131.67 km) |
| Seia to Povoa de Lanhoso | 84.39 mi (135.81 km) |
| Seia to Povoa de Santa Iria | 130.01 mi (209.24 km) |
| Seia to Povoa de Varzim | 86.23 mi (138.78 km) |
| Seia to Praia da Vitoria | 1,035.71 mi (1,666.81 km) |
| Seia to Praia do Carvoeiro | 231.76 mi (372.99 km) |
