| Hemel Hempstead to Oliveira de Frades | 845.83 mi (1,361.24 km) |
| Hemel Hempstead to Oliveira do Bairro | 865.09 mi (1,392.23 km) |
| Hemel Hempstead to Oliveira do Hospital | 862.29 mi (1,387.72 km) |
| Hemel Hempstead to Ourem | 921.65 mi (1,483.25 km) |
| Hemel Hempstead to Ovar | 845.84 mi (1,361.25 km) |
| Hemel Hempstead to Pacos de Ferreira | 815.65 mi (1,312.67 km) |
| Hemel Hempstead to Palmela | 997.78 mi (1,605.78 km) |
| Hemel Hempstead to Paredes | 818.41 mi (1,317.10 km) |
| Hemel Hempstead to Paredes de Coura | 779.01 mi (1,253.69 km) |
| Hemel Hempstead to Penacova | 876.28 mi (1,410.24 km) |
| Hemel Hempstead to Penafiel | 816.97 mi (1,314.79 km) |
| Hemel Hempstead to Peniche | 957.33 mi (1,540.68 km) |
| Hemel Hempstead to Peso da Regua | 809.01 mi (1,301.97 km) |
| Hemel Hempstead to Pinhal Novo | 993.92 mi (1,599.57 km) |
| Hemel Hempstead to Pinhel | 819.98 mi (1,319.63 km) |
