| Gadsden to Cascais | 4,147.21 mi (6,674.29 km) |
| Gadsden to Castelo Branco | 4,214.19 mi (6,782.09 km) |
| Gadsden to Castro Daire | 4,165.70 mi (6,704.04 km) |
| Gadsden to Celorico de Basto | 4,150.59 mi (6,679.72 km) |
| Gadsden to Chamusca | 4,177.40 mi (6,722.88 km) |
| Gadsden to Chaves | 4,167.42 mi (6,706.81 km) |
| Gadsden to Cinfaes | 4,151.03 mi (6,680.44 km) |
| Gadsden to Coimbra | 4,158.47 mi (6,692.41 km) |
| Gadsden to Condeixa-a-Nova | 4,157.33 mi (6,690.57 km) |
| Gadsden to Corroios | 4,162.72 mi (6,699.25 km) |
| Gadsden to Coruche | 4,185.23 mi (6,735.48 km) |
| Gadsden to Costa de Caparica | 4,157.70 mi (6,691.18 km) |
| Gadsden to Covilha | 4,202.32 mi (6,762.97 km) |
| Gadsden to Eiras | 4,157.95 mi (6,691.58 km) |
| Gadsden to Elvas | 4,256.18 mi (6,849.67 km) |
