| Boppard to Oliveira do Bairro | 1,025.90 mi (1,651.03 km) |
| Boppard to Oliveira do Hospital | 1,010.95 mi (1,626.97 km) |
| Boppard to Ourem | 1,072.28 mi (1,725.67 km) |
| Boppard to Ovar | 1,013.49 mi (1,631.05 km) |
| Boppard to Pacos de Ferreira | 985.40 mi (1,585.85 km) |
| Boppard to Palmela | 1,140.68 mi (1,835.75 km) |
| Boppard to Paredes | 986.16 mi (1,587.07 km) |
| Boppard to Paredes de Coura | 960.90 mi (1,546.42 km) |
| Boppard to Penacova | 1,030.46 mi (1,658.36 km) |
| Boppard to Penafiel | 984.04 mi (1,583.67 km) |
| Boppard to Peniche | 1,116.20 mi (1,796.35 km) |
| Boppard to Peso da Regua | 967.40 mi (1,556.88 km) |
| Boppard to Pinhal Novo | 1,137.75 mi (1,831.04 km) |
| Boppard to Pinhel | 961.14 mi (1,546.80 km) |
| Boppard to Pombal | 1,060.82 mi (1,707.22 km) |
