| Spring Lake to Cascais | 3,755.28 mi (6,043.54 km) |
| Spring Lake to Castelo Branco | 3,826.06 mi (6,157.45 km) |
| Spring Lake to Castro Daire | 3,779.93 mi (6,083.21 km) |
| Spring Lake to Celorico de Basto | 3,766.02 mi (6,060.83 km) |
| Spring Lake to Chamusca | 3,787.52 mi (6,095.42 km) |
| Spring Lake to Chaves | 3,784.18 mi (6,090.05 km) |
| Spring Lake to Cinfaes | 3,765.64 mi (6,060.21 km) |
| Spring Lake to Coimbra | 3,770.65 mi (6,068.27 km) |
| Spring Lake to Condeixa-a-Nova | 3,769.23 mi (6,065.99 km) |
| Spring Lake to Corroios | 3,770.77 mi (6,068.47 km) |
| Spring Lake to Coruche | 3,794.43 mi (6,106.55 km) |
| Spring Lake to Costa de Caparica | 3,765.77 mi (6,060.42 km) |
| Spring Lake to Covilha | 3,815.31 mi (6,140.15 km) |
| Spring Lake to Eiras | 3,770.21 mi (6,067.57 km) |
| Spring Lake to Elvas | 3,866.10 mi (6,221.89 km) |
