| Leighton Buzzard to Cascais | 1,005.69 mi (1,618.51 km) |
| Leighton Buzzard to Castelo Branco | 897.45 mi (1,444.30 km) |
| Leighton Buzzard to Castro Daire | 835.29 mi (1,344.26 km) |
| Leighton Buzzard to Celorico de Basto | 805.74 mi (1,296.71 km) |
| Leighton Buzzard to Chamusca | 945.62 mi (1,521.82 km) |
| Leighton Buzzard to Chaves | 772.46 mi (1,243.15 km) |
| Leighton Buzzard to Cinfaes | 826.47 mi (1,330.07 km) |
| Leighton Buzzard to Coimbra | 889.16 mi (1,430.97 km) |
| Leighton Buzzard to Condeixa-a-Nova | 896.61 mi (1,442.96 km) |
| Leighton Buzzard to Corroios | 1,005.90 mi (1,618.83 km) |
| Leighton Buzzard to Coruche | 971.87 mi (1,564.07 km) |
| Leighton Buzzard to Costa de Caparica | 1,005.64 mi (1,618.42 km) |
| Leighton Buzzard to Covilha | 867.04 mi (1,395.37 km) |
| Leighton Buzzard to Eiras | 887.07 mi (1,427.61 km) |
| Leighton Buzzard to Elvas | 954.09 mi (1,535.46 km) |
