| Hyattsville to Cascais | 3,545.69 mi (5,706.24 km) |
| Hyattsville to Castelo Branco | 3,610.00 mi (5,809.74 km) |
| Hyattsville to Castro Daire | 3,560.32 mi (5,729.79 km) |
| Hyattsville to Celorico de Basto | 3,544.71 mi (5,704.66 km) |
| Hyattsville to Chamusca | 3,574.33 mi (5,752.33 km) |
| Hyattsville to Chaves | 3,561.04 mi (5,730.95 km) |
| Hyattsville to Cinfaes | 3,545.50 mi (5,705.93 km) |
| Hyattsville to Coimbra | 3,554.14 mi (5,719.83 km) |
| Hyattsville to Condeixa-a-Nova | 3,553.15 mi (5,718.25 km) |
| Hyattsville to Corroios | 3,561.20 mi (5,731.20 km) |
| Hyattsville to Coruche | 3,582.80 mi (5,765.96 km) |
| Hyattsville to Costa de Caparica | 3,556.18 mi (5,723.12 km) |
| Hyattsville to Covilha | 3,597.52 mi (5,789.65 km) |
| Hyattsville to Eiras | 3,553.58 mi (5,718.93 km) |
| Hyattsville to Elvas | 3,653.19 mi (5,879.24 km) |
