| Forest Lake to Cascais | 4,118.74 mi (6,628.47 km) |
| Forest Lake to Castelo Branco | 4,156.55 mi (6,689.33 km) |
| Forest Lake to Castro Daire | 4,094.38 mi (6,589.28 km) |
| Forest Lake to Celorico de Basto | 4,072.31 mi (6,553.74 km) |
| Forest Lake to Chamusca | 4,133.07 mi (6,651.53 km) |
| Forest Lake to Chaves | 4,080.49 mi (6,566.91 km) |
| Forest Lake to Cinfaes | 4,077.89 mi (6,562.74 km) |
| Forest Lake to Coimbra | 4,100.73 mi (6,599.48 km) |
| Forest Lake to Condeixa-a-Nova | 4,101.46 mi (6,600.67 km) |
| Forest Lake to Corroios | 4,133.82 mi (6,652.74 km) |
| Forest Lake to Coruche | 4,147.12 mi (6,674.14 km) |
| Forest Lake to Costa de Caparica | 4,128.90 mi (6,644.82 km) |
| Forest Lake to Covilha | 4,137.65 mi (6,658.91 km) |
| Forest Lake to Eiras | 4,099.71 mi (6,597.84 km) |
| Forest Lake to Elvas | 4,210.47 mi (6,776.10 km) |
