| Upminster to Cascais | 1,003.52 mi (1,615.01 km) |
| Upminster to Castelo Branco | 892.02 mi (1,435.56 km) |
| Upminster to Castro Daire | 832.50 mi (1,339.79 km) |
| Upminster to Celorico de Basto | 803.91 mi (1,293.77 km) |
| Upminster to Chamusca | 942.06 mi (1,516.10 km) |
| Upminster to Chaves | 769.76 mi (1,238.80 km) |
| Upminster to Cinfaes | 824.53 mi (1,326.96 km) |
| Upminster to Coimbra | 886.65 mi (1,426.92 km) |
| Upminster to Condeixa-a-Nova | 894.14 mi (1,438.98 km) |
| Upminster to Corroios | 1,003.00 mi (1,614.17 km) |
| Upminster to Coruche | 967.92 mi (1,557.72 km) |
| Upminster to Costa de Caparica | 1,002.98 mi (1,614.14 km) |
| Upminster to Covilha | 862.22 mi (1,387.60 km) |
| Upminster to Eiras | 884.59 mi (1,423.61 km) |
| Upminster to Elvas | 946.67 mi (1,523.52 km) |
