| Groveton to Cascais | 3,558.14 mi (5,726.27 km) |
| Groveton to Castelo Branco | 3,622.79 mi (5,830.32 km) |
| Groveton to Castro Daire | 3,573.29 mi (5,750.66 km) |
| Groveton to Celorico de Basto | 3,557.76 mi (5,725.67 km) |
| Groveton to Chamusca | 3,586.96 mi (5,772.66 km) |
| Groveton to Chaves | 3,574.19 mi (5,752.11 km) |
| Groveton to Cinfaes | 3,558.49 mi (5,726.84 km) |
| Groveton to Coimbra | 3,566.94 mi (5,740.44 km) |
| Groveton to Condeixa-a-Nova | 3,565.94 mi (5,738.82 km) |
| Groveton to Corroios | 3,573.65 mi (5,751.23 km) |
| Groveton to Coruche | 3,595.35 mi (5,786.16 km) |
| Groveton to Costa de Caparica | 3,568.63 mi (5,743.15 km) |
| Groveton to Covilha | 3,610.40 mi (5,810.38 km) |
| Groveton to Eiras | 3,566.39 mi (5,739.55 km) |
| Groveton to Elvas | 3,665.82 mi (5,899.56 km) |
