| Horley to Cascais | 971.50 mi (1,563.48 km) |
| Horley to Castelo Branco | 860.20 mi (1,384.37 km) |
| Horley to Castro Daire | 800.50 mi (1,288.29 km) |
| Horley to Celorico de Basto | 771.87 mi (1,242.20 km) |
| Horley to Chamusca | 910.11 mi (1,464.68 km) |
| Horley to Chaves | 737.75 mi (1,187.29 km) |
| Horley to Cinfaes | 792.50 mi (1,275.40 km) |
| Horley to Coimbra | 854.64 mi (1,375.41 km) |
| Horley to Condeixa-a-Nova | 862.13 mi (1,387.46 km) |
| Horley to Corroios | 971.02 mi (1,562.70 km) |
| Horley to Coruche | 936.00 mi (1,506.34 km) |
| Horley to Costa de Caparica | 970.98 mi (1,562.64 km) |
| Horley to Covilha | 830.35 mi (1,336.32 km) |
| Horley to Eiras | 852.58 mi (1,372.09 km) |
| Horley to Elvas | 915.08 mi (1,472.68 km) |
