| Neu Isenburg to Oliveira do Bairro | 1,060.11 mi (1,706.07 km) |
| Neu Isenburg to Oliveira do Hospital | 1,043.98 mi (1,680.12 km) |
| Neu Isenburg to Ourem | 1,105.08 mi (1,778.45 km) |
| Neu Isenburg to Ovar | 1,048.49 mi (1,687.38 km) |
| Neu Isenburg to Pacos de Ferreira | 1,020.83 mi (1,642.86 km) |
| Neu Isenburg to Palmela | 1,172.19 mi (1,886.46 km) |
| Neu Isenburg to Paredes | 1,021.37 mi (1,643.74 km) |
| Neu Isenburg to Paredes de Coura | 997.72 mi (1,605.68 km) |
| Neu Isenburg to Penacova | 1,063.93 mi (1,712.22 km) |
| Neu Isenburg to Penafiel | 1,019.20 mi (1,640.25 km) |
| Neu Isenburg to Peniche | 1,149.60 mi (1,850.10 km) |
| Neu Isenburg to Peso da Regua | 1,001.80 mi (1,612.23 km) |
| Neu Isenburg to Pinhal Novo | 1,169.38 mi (1,881.94 km) |
| Neu Isenburg to Pinhel | 993.77 mi (1,599.32 km) |
| Neu Isenburg to Pombal | 1,094.15 mi (1,760.87 km) |
