| Zaltbommel to Oliveira do Bairro | 1,016.74 mi (1,636.29 km) |
| Zaltbommel to Oliveira do Hospital | 1,006.67 mi (1,620.07 km) |
| Zaltbommel to Ourem | 1,068.10 mi (1,718.94 km) |
| Zaltbommel to Ovar | 1,001.24 mi (1,611.33 km) |
| Zaltbommel to Pacos de Ferreira | 971.81 mi (1,563.97 km) |
| Zaltbommel to Palmela | 1,140.66 mi (1,835.71 km) |
| Zaltbommel to Paredes | 973.42 mi (1,566.58 km) |
| Zaltbommel to Paredes de Coura | 941.70 mi (1,515.52 km) |
| Zaltbommel to Penacova | 1,024.17 mi (1,648.24 km) |
| Zaltbommel to Penafiel | 971.56 mi (1,563.58 km) |
| Zaltbommel to Peniche | 1,109.14 mi (1,784.98 km) |
| Zaltbommel to Peso da Regua | 958.30 mi (1,542.24 km) |
| Zaltbommel to Pinhal Novo | 1,137.30 mi (1,830.31 km) |
| Zaltbommel to Pinhel | 959.12 mi (1,543.55 km) |
| Zaltbommel to Pombal | 1,054.67 mi (1,697.33 km) |
