| Boom to Castelo Branco | 965.32 mi (1,553.54 km) |
| Boom to Castro Daire | 916.03 mi (1,474.20 km) |
| Boom to Celorico de Basto | 891.20 mi (1,434.25 km) |
| Boom to Chamusca | 1,020.79 mi (1,642.80 km) |
| Boom to Chaves | 855.04 mi (1,376.05 km) |
| Boom to Cinfaes | 911.02 mi (1,466.14 km) |
| Boom to Coimbra | 969.91 mi (1,560.92 km) |
| Boom to Condeixa-a-Nova | 977.40 mi (1,572.97 km) |
| Boom to Corroios | 1,082.92 mi (1,742.80 km) |
| Boom to Coruche | 1,044.87 mi (1,681.56 km) |
| Boom to Costa de Caparica | 1,083.69 mi (1,744.03 km) |
| Boom to Covilha | 938.24 mi (1,509.95 km) |
| Boom to Eiras | 968.00 mi (1,557.84 km) |
| Boom to Elvas | 1,011.93 mi (1,628.55 km) |
| Boom to Entroncamento | 1,013.69 mi (1,631.37 km) |
