| Aylesbury to Cascais | 996.59 mi (1,603.86 km) |
| Aylesbury to Castelo Branco | 888.55 mi (1,429.98 km) |
| Aylesbury to Castro Daire | 826.23 mi (1,329.69 km) |
| Aylesbury to Celorico de Basto | 796.63 mi (1,282.05 km) |
| Aylesbury to Chamusca | 936.59 mi (1,507.30 km) |
| Aylesbury to Chaves | 763.40 mi (1,228.57 km) |
| Aylesbury to Cinfaes | 817.36 mi (1,315.42 km) |
| Aylesbury to Coimbra | 880.09 mi (1,416.36 km) |
| Aylesbury to Condeixa-a-Nova | 887.53 mi (1,428.34 km) |
| Aylesbury to Corroios | 996.83 mi (1,604.25 km) |
| Aylesbury to Coruche | 962.87 mi (1,549.58 km) |
| Aylesbury to Costa de Caparica | 996.56 mi (1,603.81 km) |
| Aylesbury to Covilha | 858.10 mi (1,380.98 km) |
| Aylesbury to Eiras | 878.00 mi (1,413.00 km) |
| Aylesbury to Elvas | 945.32 mi (1,521.35 km) |
