| Senec to Benavente | 1,448.90 mi (2,331.78 km) |
| Senec to Bombarral | 1,452.90 mi (2,338.22 km) |
| Senec to Bougado | 1,351.10 mi (2,174.38 km) |
| Senec to Braga | 1,337.63 mi (2,152.71 km) |
| Senec to Braganca | 1,254.02 mi (2,018.16 km) |
| Senec to Cabeceiras de Basto | 1,319.96 mi (2,124.27 km) |
| Senec to Cacem | 1,479.09 mi (2,380.36 km) |
| Senec to Cadaval | 1,451.79 mi (2,336.43 km) |
| Senec to Caldas da Rainha | 1,446.69 mi (2,328.23 km) |
| Senec to Calheta | 2,083.13 mi (3,352.47 km) |
| Senec to Camara de Lobos | 2,076.31 mi (3,341.50 km) |
| Senec to Canico | 2,073.21 mi (3,336.51 km) |
| Senec to Cantanhede | 1,387.49 mi (2,232.95 km) |
| Senec to Carregal do Sal | 1,357.74 mi (2,185.07 km) |
| Senec to Cartaxo | 1,440.99 mi (2,319.04 km) |
