| Harlow to Oliveira de Frades | 860.04 mi (1,384.10 km) |
| Harlow to Oliveira do Bairro | 879.53 mi (1,415.47 km) |
| Harlow to Oliveira do Hospital | 875.86 mi (1,409.57 km) |
| Harlow to Ourem | 935.59 mi (1,505.69 km) |
| Harlow to Ovar | 860.69 mi (1,385.14 km) |
| Harlow to Pacos de Ferreira | 830.52 mi (1,336.59 km) |
| Harlow to Palmela | 1,011.46 mi (1,627.79 km) |
| Harlow to Paredes | 833.14 mi (1,340.81 km) |
| Harlow to Paredes de Coura | 794.57 mi (1,278.74 km) |
| Harlow to Penacova | 890.30 mi (1,432.80 km) |
| Harlow to Penafiel | 831.66 mi (1,338.42 km) |
| Harlow to Peniche | 971.98 mi (1,564.25 km) |
| Harlow to Peso da Regua | 823.03 mi (1,324.54 km) |
| Harlow to Pinhal Novo | 1,007.65 mi (1,621.66 km) |
| Harlow to Pinhel | 832.82 mi (1,340.29 km) |
