| Reston to Cascais | 3,565.42 mi (5,737.98 km) |
| Reston to Castelo Branco | 3,629.45 mi (5,841.04 km) |
| Reston to Castro Daire | 3,579.61 mi (5,760.83 km) |
| Reston to Celorico de Basto | 3,563.91 mi (5,735.57 km) |
| Reston to Chamusca | 3,593.90 mi (5,783.83 km) |
| Reston to Chaves | 3,580.16 mi (5,761.71 km) |
| Reston to Cinfaes | 3,564.76 mi (5,736.93 km) |
| Reston to Coimbra | 3,573.57 mi (5,751.10 km) |
| Reston to Condeixa-a-Nova | 3,572.60 mi (5,749.55 km) |
| Reston to Corroios | 3,580.92 mi (5,762.94 km) |
| Reston to Coruche | 3,602.44 mi (5,797.56 km) |
| Reston to Costa de Caparica | 3,575.90 mi (5,754.86 km) |
| Reston to Covilha | 3,616.89 mi (5,820.83 km) |
| Reston to Eiras | 3,573.00 mi (5,750.19 km) |
| Reston to Elvas | 3,672.77 mi (5,910.75 km) |
