| McKeesport to Cascais | 3,651.00 mi (5,875.71 km) |
| McKeesport to Castelo Branco | 3,709.97 mi (5,970.62 km) |
| McKeesport to Castro Daire | 3,657.43 mi (5,886.07 km) |
| McKeesport to Celorico de Basto | 3,640.38 mi (5,858.63 km) |
| McKeesport to Chamusca | 3,676.72 mi (5,917.11 km) |
| McKeesport to Chaves | 3,655.07 mi (5,882.27 km) |
| McKeesport to Cinfaes | 3,642.19 mi (5,861.54 km) |
| McKeesport to Coimbra | 3,653.87 mi (5,880.33 km) |
| McKeesport to Condeixa-a-Nova | 3,653.24 mi (5,879.33 km) |
| McKeesport to Corroios | 3,666.48 mi (5,900.63 km) |
| McKeesport to Coruche | 3,686.41 mi (5,932.70 km) |
| McKeesport to Costa de Caparica | 3,661.46 mi (5,892.55 km) |
| McKeesport to Covilha | 3,696.08 mi (5,948.27 km) |
| McKeesport to Eiras | 3,653.21 mi (5,879.27 km) |
| McKeesport to Elvas | 3,755.60 mi (6,044.06 km) |
