| Maryland Heights to Cascais | 4,210.51 mi (6,776.16 km) |
| Maryland Heights to Castelo Branco | 4,264.24 mi (6,862.64 km) |
| Maryland Heights to Castro Daire | 4,208.89 mi (6,773.55 km) |
| Maryland Heights to Celorico de Basto | 4,190.35 mi (6,743.71 km) |
| Maryland Heights to Chamusca | 4,233.46 mi (6,813.09 km) |
| Maryland Heights to Chaves | 4,203.20 mi (6,764.39 km) |
| Maryland Heights to Cinfaes | 4,193.24 mi (6,748.37 km) |
| Maryland Heights to Coimbra | 4,208.03 mi (6,772.18 km) |
| Maryland Heights to Condeixa-a-Nova | 4,207.77 mi (6,771.76 km) |
| Maryland Heights to Corroios | 4,225.94 mi (6,800.99 km) |
| Maryland Heights to Coruche | 4,244.28 mi (6,830.52 km) |
| Maryland Heights to Costa de Caparica | 4,220.93 mi (6,792.93 km) |
| Maryland Heights to Covilha | 4,248.95 mi (6,838.02 km) |
| Maryland Heights to Eiras | 4,207.28 mi (6,770.96 km) |
| Maryland Heights to Elvas | 4,312.20 mi (6,939.82 km) |
