| Crystal to Cascais | 4,142.88 mi (6,667.33 km) |
| Crystal to Castelo Branco | 4,180.85 mi (6,728.43 km) |
| Crystal to Castro Daire | 4,118.74 mi (6,628.47 km) |
| Crystal to Celorico de Basto | 4,096.68 mi (6,592.98 km) |
| Crystal to Chamusca | 4,157.30 mi (6,690.53 km) |
| Crystal to Chaves | 4,104.90 mi (6,606.20 km) |
| Crystal to Cinfaes | 4,102.25 mi (6,601.94 km) |
| Crystal to Coimbra | 4,125.02 mi (6,638.57 km) |
| Crystal to Condeixa-a-Nova | 4,125.75 mi (6,639.75 km) |
| Crystal to Corroios | 4,157.97 mi (6,691.60 km) |
| Crystal to Coruche | 4,171.32 mi (6,713.09 km) |
| Crystal to Costa de Caparica | 4,153.05 mi (6,683.68 km) |
| Crystal to Covilha | 4,161.98 mi (6,698.07 km) |
| Crystal to Eiras | 4,124.00 mi (6,636.94 km) |
| Crystal to Elvas | 4,234.72 mi (6,815.13 km) |
