| Drogheda to Oliveira do Bairro | 917.38 mi (1,476.38 km) |
| Drogheda to Oliveira do Hospital | 925.50 mi (1,489.44 km) |
| Drogheda to Ourem | 977.32 mi (1,572.85 km) |
| Drogheda to Ovar | 894.02 mi (1,438.79 km) |
| Drogheda to Pacos de Ferreira | 865.29 mi (1,392.56 km) |
| Drogheda to Palmela | 1,053.55 mi (1,695.53 km) |
| Drogheda to Paredes | 869.55 mi (1,399.41 km) |
| Drogheda to Paredes de Coura | 821.77 mi (1,322.52 km) |
| Drogheda to Penacova | 933.27 mi (1,501.96 km) |
| Drogheda to Penafiel | 868.90 mi (1,398.36 km) |
| Drogheda to Peniche | 1,002.58 mi (1,613.49 km) |
| Drogheda to Peso da Regua | 869.60 mi (1,399.49 km) |
| Drogheda to Pinhal Novo | 1,049.21 mi (1,688.54 km) |
| Drogheda to Pinhel | 894.11 mi (1,438.93 km) |
| Drogheda to Pombal | 959.33 mi (1,543.90 km) |
