| Idar-Oberstein to Oliveira do Bairro | 995.51 mi (1,602.12 km) |
| Idar-Oberstein to Oliveira do Hospital | 979.85 mi (1,576.91 km) |
| Idar-Oberstein to Ourem | 1,041.05 mi (1,675.42 km) |
| Idar-Oberstein to Ovar | 983.61 mi (1,582.97 km) |
| Idar-Oberstein to Pacos de Ferreira | 955.80 mi (1,538.22 km) |
| Idar-Oberstein to Palmela | 1,108.75 mi (1,784.36 km) |
| Idar-Oberstein to Paredes | 956.42 mi (1,539.21 km) |
| Idar-Oberstein to Paredes de Coura | 932.29 mi (1,500.38 km) |
| Idar-Oberstein to Penacova | 999.62 mi (1,608.73 km) |
| Idar-Oberstein to Penafiel | 954.27 mi (1,535.74 km) |
| Idar-Oberstein to Peniche | 1,085.33 mi (1,746.67 km) |
| Idar-Oberstein to Peso da Regua | 937.12 mi (1,508.15 km) |
| Idar-Oberstein to Pinhal Novo | 1,105.88 mi (1,779.75 km) |
| Idar-Oberstein to Pinhel | 929.80 mi (1,496.36 km) |
| Idar-Oberstein to Pombal | 1,029.90 mi (1,657.47 km) |
