| Friendswood to Cascais | 4,769.21 mi (7,675.30 km) |
| Friendswood to Castelo Branco | 4,835.48 mi (7,781.95 km) |
| Friendswood to Castro Daire | 4,786.33 mi (7,702.85 km) |
| Friendswood to Celorico de Basto | 4,770.83 mi (7,677.92 km) |
| Friendswood to Chamusca | 4,799.08 mi (7,723.37 km) |
| Friendswood to Chaves | 4,787.19 mi (7,704.24 km) |
| Friendswood to Cinfaes | 4,771.55 mi (7,679.07 km) |
| Friendswood to Coimbra | 4,779.68 mi (7,692.16 km) |
| Friendswood to Condeixa-a-Nova | 4,778.61 mi (7,690.44 km) |
| Friendswood to Corroios | 4,784.72 mi (7,700.26 km) |
| Friendswood to Coruche | 4,807.07 mi (7,736.23 km) |
| Friendswood to Costa de Caparica | 4,779.70 mi (7,692.18 km) |
| Friendswood to Covilha | 4,823.30 mi (7,762.36 km) |
| Friendswood to Eiras | 4,779.15 mi (7,691.30 km) |
| Friendswood to Elvas | 4,877.89 mi (7,850.20 km) |
