| Crystal Lake to Cascais | 4,000.86 mi (6,438.76 km) |
| Crystal Lake to Castelo Branco | 4,048.99 mi (6,516.22 km) |
| Crystal Lake to Castro Daire | 3,991.15 mi (6,423.13 km) |
| Crystal Lake to Celorico de Basto | 3,971.36 mi (6,391.28 km) |
| Crystal Lake to Chamusca | 4,020.73 mi (6,470.75 km) |
| Crystal Lake to Chaves | 3,982.65 mi (6,409.45 km) |
| Crystal Lake to Cinfaes | 3,975.18 mi (6,397.43 km) |
| Crystal Lake to Coimbra | 3,992.80 mi (6,425.79 km) |
| Crystal Lake to Condeixa-a-Nova | 3,992.89 mi (6,425.94 km) |
| Crystal Lake to Corroios | 4,016.19 mi (6,463.43 km) |
| Crystal Lake to Coruche | 4,032.74 mi (6,490.07 km) |
| Crystal Lake to Costa de Caparica | 4,011.20 mi (6,455.41 km) |
| Crystal Lake to Covilha | 4,032.40 mi (6,489.53 km) |
| Crystal Lake to Eiras | 3,991.95 mi (6,424.43 km) |
| Crystal Lake to Elvas | 4,099.16 mi (6,596.95 km) |
