| Harlingen to Oliveira do Bairro | 1,090.42 mi (1,754.86 km) |
| Harlingen to Oliveira do Hospital | 1,082.28 mi (1,741.77 km) |
| Harlingen to Ourem | 1,143.42 mi (1,840.16 km) |
| Harlingen to Ovar | 1,073.77 mi (1,728.07 km) |
| Harlingen to Pacos de Ferreira | 1,043.98 mi (1,680.13 km) |
| Harlingen to Palmela | 1,217.19 mi (1,958.88 km) |
| Harlingen to Paredes | 1,045.94 mi (1,683.28 km) |
| Harlingen to Paredes de Coura | 1,011.75 mi (1,628.25 km) |
| Harlingen to Penacova | 1,098.92 mi (1,768.54 km) |
| Harlingen to Penafiel | 1,044.20 mi (1,680.47 km) |
| Harlingen to Peniche | 1,183.14 mi (1,904.07 km) |
| Harlingen to Peso da Regua | 1,032.37 mi (1,661.43 km) |
| Harlingen to Pinhal Novo | 1,213.69 mi (1,953.25 km) |
| Harlingen to Pinhel | 1,035.86 mi (1,667.06 km) |
| Harlingen to Pombal | 1,129.31 mi (1,817.45 km) |
