| Horn Lake to Cascais | 4,315.89 mi (6,945.76 km) |
| Horn Lake to Castelo Branco | 4,377.40 mi (7,044.75 km) |
| Horn Lake to Castro Daire | 4,325.87 mi (6,961.82 km) |
| Horn Lake to Celorico de Basto | 4,309.25 mi (6,935.07 km) |
| Horn Lake to Chamusca | 4,343.10 mi (6,989.54 km) |
| Horn Lake to Chaves | 4,324.37 mi (6,959.40 km) |
| Horn Lake to Cinfaes | 4,310.76 mi (6,937.50 km) |
| Horn Lake to Coimbra | 4,321.38 mi (6,954.58 km) |
| Horn Lake to Condeixa-a-Nova | 4,320.61 mi (6,953.35 km) |
| Horn Lake to Corroios | 4,331.39 mi (6,970.70 km) |
| Horn Lake to Coruche | 4,352.20 mi (7,004.19 km) |
| Horn Lake to Costa de Caparica | 4,326.37 mi (6,962.62 km) |
| Horn Lake to Covilha | 4,364.04 mi (7,023.24 km) |
| Horn Lake to Eiras | 4,320.76 mi (6,953.59 km) |
| Horn Lake to Elvas | 4,421.99 mi (7,116.51 km) |
