| Chapel Hill to Cascais | 3,735.28 mi (6,011.35 km) |
| Chapel Hill to Castelo Branco | 3,804.50 mi (6,122.74 km) |
| Chapel Hill to Castro Daire | 3,757.46 mi (6,047.05 km) |
| Chapel Hill to Celorico de Basto | 3,743.12 mi (6,023.97 km) |
| Chapel Hill to Chamusca | 3,766.65 mi (6,061.84 km) |
| Chapel Hill to Chaves | 3,760.82 mi (6,052.46 km) |
| Chapel Hill to Cinfaes | 3,743.03 mi (6,023.83 km) |
| Chapel Hill to Coimbra | 3,748.95 mi (6,033.36 km) |
| Chapel Hill to Condeixa-a-Nova | 3,747.64 mi (6,031.25 km) |
| Chapel Hill to Corroios | 3,750.78 mi (6,036.30 km) |
| Chapel Hill to Coruche | 3,773.95 mi (6,073.58 km) |
| Chapel Hill to Costa de Caparica | 3,745.77 mi (6,028.24 km) |
| Chapel Hill to Covilha | 3,793.31 mi (6,104.74 km) |
| Chapel Hill to Eiras | 3,748.49 mi (6,032.61 km) |
| Chapel Hill to Elvas | 3,845.33 mi (6,188.46 km) |
