| Louth to Oliveira de Frades | 953.61 mi (1,534.68 km) |
| Louth to Oliveira do Bairro | 972.47 mi (1,565.04 km) |
| Louth to Oliveira do Hospital | 970.98 mi (1,562.64 km) |
| Louth to Ourem | 1,029.73 mi (1,657.18 km) |
| Louth to Ovar | 952.57 mi (1,533.01 km) |
| Louth to Pacos de Ferreira | 922.39 mi (1,484.44 km) |
| Louth to Palmela | 1,106.19 mi (1,780.24 km) |
| Louth to Paredes | 925.36 mi (1,489.22 km) |
| Louth to Paredes de Coura | 884.53 mi (1,423.51 km) |
| Louth to Penacova | 984.30 mi (1,584.08 km) |
| Louth to Penafiel | 924.02 mi (1,487.07 km) |
| Louth to Peniche | 1,064.26 mi (1,712.76 km) |
| Louth to Peso da Regua | 917.10 mi (1,475.94 km) |
| Louth to Pinhal Novo | 1,102.26 mi (1,773.92 km) |
| Louth to Pinhel | 929.65 mi (1,496.13 km) |
