| Castellana Grotte to Castelo Branco | 1,296.65 mi (2,086.75 km) |
| Castellana Grotte to Castro Daire | 1,306.46 mi (2,102.55 km) |
| Castellana Grotte to Celorico de Basto | 1,305.51 mi (2,101.02 km) |
| Castellana Grotte to Chamusca | 1,354.57 mi (2,179.97 km) |
| Castellana Grotte to Chaves | 1,275.67 mi (2,052.99 km) |
| Castellana Grotte to Cinfaes | 1,314.87 mi (2,116.08 km) |
| Castellana Grotte to Coimbra | 1,339.84 mi (2,156.27 km) |
| Castellana Grotte to Condeixa-a-Nova | 1,344.71 mi (2,164.10 km) |
| Castellana Grotte to Corroios | 1,401.48 mi (2,255.47 km) |
| Castellana Grotte to Coruche | 1,363.08 mi (2,193.67 km) |
| Castellana Grotte to Costa de Caparica | 1,405.38 mi (2,261.74 km) |
| Castellana Grotte to Covilha | 1,290.73 mi (2,077.22 km) |
| Castellana Grotte to Eiras | 1,339.19 mi (2,155.22 km) |
| Castellana Grotte to Elvas | 1,292.71 mi (2,080.41 km) |
| Castellana Grotte to Entroncamento | 1,352.04 mi (2,175.90 km) |
