| Amersham to Cascais | 992.35 mi (1,597.03 km) |
| Amersham to Castelo Branco | 883.40 mi (1,421.69 km) |
| Amersham to Castro Daire | 821.77 mi (1,322.52 km) |
| Amersham to Celorico de Basto | 792.42 mi (1,275.28 km) |
| Amersham to Chamusca | 931.96 mi (1,499.85 km) |
| Amersham to Chaves | 758.94 mi (1,221.40 km) |
| Amersham to Cinfaes | 813.13 mi (1,308.61 km) |
| Amersham to Coimbra | 875.72 mi (1,409.34 km) |
| Amersham to Condeixa-a-Nova | 883.18 mi (1,421.34 km) |
| Amersham to Corroios | 992.40 mi (1,597.11 km) |
| Amersham to Coruche | 958.14 mi (1,541.98 km) |
| Amersham to Costa de Caparica | 992.19 mi (1,596.77 km) |
| Amersham to Covilha | 853.11 mi (1,372.94 km) |
| Amersham to Eiras | 873.64 mi (1,405.99 km) |
| Amersham to Elvas | 939.67 mi (1,512.25 km) |
