| Conroe to Cascais | 4,752.46 mi (7,648.34 km) |
| Conroe to Castelo Branco | 4,817.06 mi (7,752.31 km) |
| Conroe to Castro Daire | 4,767.00 mi (7,671.75 km) |
| Conroe to Celorico de Basto | 4,751.07 mi (7,646.10 km) |
| Conroe to Chamusca | 4,781.41 mi (7,694.94 km) |
| Conroe to Chaves | 4,766.93 mi (7,671.64 km) |
| Conroe to Cinfaes | 4,752.09 mi (7,647.75 km) |
| Conroe to Coimbra | 4,761.17 mi (7,662.36 km) |
| Conroe to Condeixa-a-Nova | 4,760.21 mi (7,660.82 km) |
| Conroe to Corroios | 4,767.97 mi (7,673.31 km) |
| Conroe to Coruche | 4,789.79 mi (7,708.43 km) |
| Conroe to Costa de Caparica | 4,762.95 mi (7,665.23 km) |
| Conroe to Covilha | 4,804.44 mi (7,732.00 km) |
| Conroe to Eiras | 4,760.60 mi (7,661.45 km) |
| Conroe to Elvas | 4,860.27 mi (7,821.84 km) |
