| Irondale to Oliveira de Frades | 4,206.38 mi (6,769.51 km) |
| Irondale to Oliveira do Bairro | 4,195.75 mi (6,752.40 km) |
| Irondale to Oliveira do Hospital | 4,230.95 mi (6,809.06 km) |
| Irondale to Ourem | 4,213.87 mi (6,781.57 km) |
| Irondale to Ovar | 4,180.70 mi (6,728.18 km) |
| Irondale to Pacos de Ferreira | 4,182.43 mi (6,730.97 km) |
| Irondale to Palmela | 4,224.50 mi (6,798.67 km) |
| Irondale to Paredes | 4,187.28 mi (6,738.78 km) |
| Irondale to Paredes de Coura | 4,159.16 mi (6,693.52 km) |
| Irondale to Penacova | 4,212.46 mi (6,779.30 km) |
| Irondale to Penafiel | 4,189.54 mi (6,742.41 km) |
| Irondale to Peniche | 4,181.51 mi (6,729.49 km) |
| Irondale to Peso da Regua | 4,215.23 mi (6,783.76 km) |
| Irondale to Pinhal Novo | 4,222.16 mi (6,794.91 km) |
| Irondale to Pinhel | 4,259.26 mi (6,854.62 km) |
