| Sun Prairie to Cascais | 4,014.26 mi (6,460.32 km) |
| Sun Prairie to Castelo Branco | 4,059.59 mi (6,533.27 km) |
| Sun Prairie to Castro Daire | 4,000.52 mi (6,438.21 km) |
| Sun Prairie to Celorico de Basto | 3,980.09 mi (6,405.33 km) |
| Sun Prairie to Chamusca | 4,032.62 mi (6,489.87 km) |
| Sun Prairie to Chaves | 3,990.54 mi (6,422.15 km) |
| Sun Prairie to Cinfaes | 3,984.39 mi (6,412.26 km) |
| Sun Prairie to Coimbra | 4,003.45 mi (6,442.94 km) |
| Sun Prairie to Condeixa-a-Nova | 4,003.72 mi (6,443.37 km) |
| Sun Prairie to Corroios | 4,029.53 mi (6,484.90 km) |
| Sun Prairie to Coruche | 4,045.19 mi (6,510.11 km) |
| Sun Prairie to Costa de Caparica | 4,024.56 mi (6,476.90 km) |
| Sun Prairie to Covilha | 4,042.35 mi (6,505.54 km) |
| Sun Prairie to Eiras | 4,002.56 mi (6,441.49 km) |
| Sun Prairie to Elvas | 4,110.82 mi (6,615.72 km) |
