| Seymour to Cascais | 3,983.70 mi (6,411.15 km) |
| Seymour to Castelo Branco | 4,040.89 mi (6,503.19 km) |
| Seymour to Castro Daire | 3,987.31 mi (6,416.95 km) |
| Seymour to Celorico de Basto | 3,969.69 mi (6,388.60 km) |
| Seymour to Chamusca | 4,008.50 mi (6,451.06 km) |
| Seymour to Chaves | 3,983.68 mi (6,411.11 km) |
| Seymour to Cinfaes | 3,971.91 mi (6,392.17 km) |
| Seymour to Coimbra | 3,984.74 mi (6,412.82 km) |
| Seymour to Condeixa-a-Nova | 3,984.24 mi (6,412.02 km) |
| Seymour to Corroios | 3,999.17 mi (6,436.04 km) |
| Seymour to Coruche | 4,018.58 mi (6,467.28 km) |
| Seymour to Costa de Caparica | 3,994.15 mi (6,427.97 km) |
| Seymour to Covilha | 4,026.49 mi (6,480.01 km) |
| Seymour to Eiras | 3,984.04 mi (6,411.70 km) |
| Seymour to Elvas | 4,087.36 mi (6,577.97 km) |
