| IJsselstein to Oliveira do Bairro | 1,020.86 mi (1,642.92 km) |
| IJsselstein to Oliveira do Hospital | 1,011.36 mi (1,627.63 km) |
| IJsselstein to Ourem | 1,072.72 mi (1,726.38 km) |
| IJsselstein to Ovar | 1,005.02 mi (1,617.42 km) |
| IJsselstein to Pacos de Ferreira | 975.47 mi (1,569.88 km) |
| IJsselstein to Palmela | 1,145.67 mi (1,843.78 km) |
| IJsselstein to Paredes | 977.19 mi (1,572.64 km) |
| IJsselstein to Paredes de Coura | 944.76 mi (1,520.44 km) |
| IJsselstein to Penacova | 1,028.61 mi (1,655.38 km) |
| IJsselstein to Penafiel | 975.36 mi (1,569.69 km) |
| IJsselstein to Peniche | 1,113.38 mi (1,791.81 km) |
| IJsselstein to Peso da Regua | 962.51 mi (1,549.02 km) |
| IJsselstein to Pinhal Novo | 1,142.27 mi (1,838.30 km) |
| IJsselstein to Pinhel | 964.14 mi (1,551.64 km) |
| IJsselstein to Pombal | 1,059.09 mi (1,704.44 km) |
