| Horizon West to Cascais | 4,110.85 mi (6,615.77 km) |
| Horizon West to Castelo Branco | 4,191.92 mi (6,746.25 km) |
| Horizon West to Castro Daire | 4,152.11 mi (6,682.17 km) |
| Horizon West to Celorico de Basto | 4,141.18 mi (6,664.58 km) |
| Horizon West to Chamusca | 4,148.86 mi (6,676.94 km) |
| Horizon West to Chaves | 4,162.27 mi (6,698.53 km) |
| Horizon West to Cinfaes | 4,138.82 mi (6,660.78 km) |
| Horizon West to Coimbra | 4,137.70 mi (6,658.98 km) |
| Horizon West to Condeixa-a-Nova | 4,135.57 mi (6,655.55 km) |
| Horizon West to Corroios | 4,126.18 mi (6,640.45 km) |
| Horizon West to Coruche | 4,153.11 mi (6,683.78 km) |
| Horizon West to Costa de Caparica | 4,121.24 mi (6,632.50 km) |
| Horizon West to Covilha | 4,184.17 mi (6,733.76 km) |
| Horizon West to Eiras | 4,137.47 mi (6,658.62 km) |
| Horizon West to Elvas | 4,226.37 mi (6,801.68 km) |
