| Syston to Benavente | 1,017.65 mi (1,637.75 km) |
| Syston to Bombarral | 1,004.27 mi (1,616.21 km) |
| Syston to Bougado | 859.42 mi (1,383.10 km) |
| Syston to Braga | 843.07 mi (1,356.78 km) |
| Syston to Braganca | 797.76 mi (1,283.87 km) |
| Syston to Cabeceiras de Basto | 836.70 mi (1,346.55 km) |
| Syston to Cacem | 1,039.41 mi (1,672.77 km) |
| Syston to Cadaval | 1,005.53 mi (1,618.25 km) |
| Syston to Caldas da Rainha | 994.88 mi (1,601.10 km) |
| Syston to Calheta | 1,595.40 mi (2,567.54 km) |
| Syston to Camara de Lobos | 1,592.65 mi (2,563.13 km) |
| Syston to Canico | 1,592.91 mi (2,563.53 km) |
| Syston to Cantanhede | 924.09 mi (1,487.17 km) |
| Syston to Carregal do Sal | 908.03 mi (1,461.34 km) |
| Syston to Cartaxo | 1,005.37 mi (1,617.99 km) |
