| Great Falls to Cascais | 4,792.58 mi (7,712.92 km) |
| Great Falls to Castelo Branco | 4,809.83 mi (7,740.68 km) |
| Great Falls to Castro Daire | 4,740.56 mi (7,629.19 km) |
| Great Falls to Celorico de Basto | 4,714.49 mi (7,587.23 km) |
| Great Falls to Chamusca | 4,796.06 mi (7,718.51 km) |
| Great Falls to Chaves | 4,716.35 mi (7,590.24 km) |
| Great Falls to Cinfaes | 4,723.41 mi (7,601.60 km) |
| Great Falls to Coimbra | 4,755.89 mi (7,653.86 km) |
| Great Falls to Condeixa-a-Nova | 4,757.86 mi (7,657.04 km) |
| Great Falls to Corroios | 4,806.88 mi (7,735.93 km) |
| Great Falls to Coruche | 4,813.73 mi (7,746.95 km) |
| Great Falls to Costa de Caparica | 4,802.19 mi (7,728.38 km) |
| Great Falls to Covilha | 4,786.83 mi (7,703.66 km) |
| Great Falls to Eiras | 4,754.56 mi (7,651.73 km) |
| Great Falls to Elvas | 4,869.92 mi (7,837.38 km) |
