| Effingham to Cascais | 4,106.00 mi (6,607.98 km) |
| Effingham to Castelo Branco | 4,160.58 mi (6,695.81 km) |
| Effingham to Castro Daire | 4,105.67 mi (6,607.44 km) |
| Effingham to Celorico de Basto | 4,087.37 mi (6,577.99 km) |
| Effingham to Chamusca | 4,129.40 mi (6,645.62 km) |
| Effingham to Chaves | 4,100.52 mi (6,599.15 km) |
| Effingham to Cinfaes | 4,090.09 mi (6,582.36 km) |
| Effingham to Coimbra | 4,104.38 mi (6,605.37 km) |
| Effingham to Condeixa-a-Nova | 4,104.06 mi (6,604.85 km) |
| Effingham to Corroios | 4,121.44 mi (6,632.82 km) |
| Effingham to Coruche | 4,140.04 mi (6,662.76 km) |
| Effingham to Costa de Caparica | 4,116.43 mi (6,624.76 km) |
| Effingham to Covilha | 4,145.51 mi (6,671.56 km) |
| Effingham to Eiras | 4,103.64 mi (6,604.17 km) |
| Effingham to Elvas | 4,208.17 mi (6,772.40 km) |
