| Seabrook to Benavente | 3,563.36 mi (5,734.67 km) |
| Seabrook to Bombarral | 3,537.72 mi (5,693.41 km) |
| Seabrook to Bougado | 3,513.28 mi (5,654.08 km) |
| Seabrook to Braga | 3,514.63 mi (5,656.26 km) |
| Seabrook to Braganca | 3,587.87 mi (5,774.12 km) |
| Seabrook to Cabeceiras de Basto | 3,534.49 mi (5,688.20 km) |
| Seabrook to Cacem | 3,543.49 mi (5,702.70 km) |
| Seabrook to Cadaval | 3,541.38 mi (5,699.30 km) |
| Seabrook to Caldas da Rainha | 3,534.99 mi (5,689.01 km) |
| Seabrook to Calheta | 3,310.90 mi (5,328.38 km) |
| Seabrook to Camara de Lobos | 3,321.66 mi (5,345.70 km) |
| Seabrook to Canico | 3,329.98 mi (5,359.08 km) |
| Seabrook to Cantanhede | 3,536.91 mi (5,692.11 km) |
| Seabrook to Carregal do Sal | 3,563.59 mi (5,735.05 km) |
| Seabrook to Cartaxo | 3,559.24 mi (5,728.05 km) |
