| Boxley to Cascais | 995.40 mi (1,601.94 km) |
| Boxley to Castelo Branco | 882.58 mi (1,420.38 km) |
| Boxley to Castro Daire | 824.26 mi (1,326.52 km) |
| Boxley to Celorico de Basto | 796.11 mi (1,281.21 km) |
| Boxley to Chamusca | 933.38 mi (1,502.14 km) |
| Boxley to Chaves | 761.61 mi (1,225.69 km) |
| Boxley to Cinfaes | 816.67 mi (1,314.30 km) |
| Boxley to Coimbra | 878.47 mi (1,413.76 km) |
| Boxley to Condeixa-a-Nova | 885.97 mi (1,425.83 km) |
| Boxley to Corroios | 994.57 mi (1,600.60 km) |
| Boxley to Coruche | 959.06 mi (1,543.46 km) |
| Boxley to Costa de Caparica | 994.65 mi (1,600.73 km) |
| Boxley to Covilha | 853.07 mi (1,372.88 km) |
| Boxley to Eiras | 876.43 mi (1,410.47 km) |
| Boxley to Elvas | 936.36 mi (1,506.93 km) |
