| Hemel Hempstead to Cascais | 999.69 mi (1,608.85 km) |
| Hemel Hempstead to Castelo Branco | 890.54 mi (1,433.19 km) |
| Hemel Hempstead to Castro Daire | 829.08 mi (1,334.27 km) |
| Hemel Hempstead to Celorico de Basto | 799.78 mi (1,287.12 km) |
| Hemel Hempstead to Chamusca | 939.23 mi (1,511.54 km) |
| Hemel Hempstead to Chaves | 766.25 mi (1,233.16 km) |
| Hemel Hempstead to Cinfaes | 820.48 mi (1,320.44 km) |
| Hemel Hempstead to Coimbra | 883.04 mi (1,421.12 km) |
| Hemel Hempstead to Condeixa-a-Nova | 890.50 mi (1,433.13 km) |
| Hemel Hempstead to Corroios | 999.70 mi (1,608.86 km) |
| Hemel Hempstead to Coruche | 965.38 mi (1,553.63 km) |
| Hemel Hempstead to Costa de Caparica | 999.51 mi (1,608.55 km) |
| Hemel Hempstead to Covilha | 860.29 mi (1,384.50 km) |
| Hemel Hempstead to Eiras | 880.96 mi (1,417.77 km) |
| Hemel Hempstead to Elvas | 946.68 mi (1,523.53 km) |
