| Allouez to Cascais | 3,922.38 mi (6,312.47 km) |
| Allouez to Castelo Branco | 3,965.76 mi (6,382.27 km) |
| Allouez to Castro Daire | 3,905.90 mi (6,285.94 km) |
| Allouez to Celorico de Basto | 3,885.06 mi (6,252.41 km) |
| Allouez to Chamusca | 3,939.67 mi (6,340.29 km) |
| Allouez to Chaves | 3,894.98 mi (6,268.37 km) |
| Allouez to Cinfaes | 3,889.68 mi (6,259.84 km) |
| Allouez to Coimbra | 3,909.68 mi (6,292.03 km) |
| Allouez to Condeixa-a-Nova | 3,910.07 mi (6,292.65 km) |
| Allouez to Corroios | 3,937.61 mi (6,336.97 km) |
| Allouez to Coruche | 3,952.64 mi (6,361.16 km) |
| Allouez to Costa de Caparica | 3,932.65 mi (6,328.99 km) |
| Allouez to Covilha | 3,948.10 mi (6,353.86 km) |
| Allouez to Eiras | 3,908.75 mi (6,290.53 km) |
| Allouez to Elvas | 4,017.69 mi (6,465.85 km) |
