| Hemel Hempstead to Montalegre | 767.64 mi (1,235.40 km) |
| Hemel Hempstead to Montemor-o-Novo | 979.39 mi (1,576.18 km) |
| Hemel Hempstead to Montemor-o-Velho | 891.12 mi (1,434.12 km) |
| Hemel Hempstead to Montijo | 990.28 mi (1,593.71 km) |
| Hemel Hempstead to Mortagua | 864.89 mi (1,391.91 km) |
| Hemel Hempstead to Moura | 999.88 mi (1,609.16 km) |
| Hemel Hempstead to Murtosa | 854.24 mi (1,374.76 km) |
| Hemel Hempstead to Nazare | 935.12 mi (1,504.94 km) |
| Hemel Hempstead to Nelas | 851.92 mi (1,371.04 km) |
| Hemel Hempstead to Obidos | 952.40 mi (1,532.74 km) |
| Hemel Hempstead to Odemira | 1,056.42 mi (1,700.14 km) |
| Hemel Hempstead to Odivelas | 989.05 mi (1,591.72 km) |
| Hemel Hempstead to Oeiras | 998.69 mi (1,607.24 km) |
| Hemel Hempstead to Olhao | 1,079.29 mi (1,736.96 km) |
| Hemel Hempstead to Oliveira de Azemeis | 844.12 mi (1,358.48 km) |
