| Norridge to Oliveira de Frades | 3,971.77 mi (6,391.95 km) |
| Norridge to Oliveira do Bairro | 3,964.24 mi (6,379.82 km) |
| Norridge to Oliveira do Hospital | 3,998.72 mi (6,435.32 km) |
| Norridge to Ourem | 3,991.17 mi (6,423.17 km) |
| Norridge to Ovar | 3,946.19 mi (6,350.78 km) |
| Norridge to Pacos de Ferreira | 3,943.16 mi (6,345.90 km) |
| Norridge to Palmela | 4,013.76 mi (6,459.52 km) |
| Norridge to Paredes | 3,948.44 mi (6,354.40 km) |
| Norridge to Paredes de Coura | 3,914.05 mi (6,299.05 km) |
| Norridge to Penacova | 3,982.60 mi (6,409.38 km) |
| Norridge to Penafiel | 3,950.47 mi (6,357.66 km) |
| Norridge to Peniche | 3,964.73 mi (6,380.62 km) |
| Norridge to Peso da Regua | 3,974.80 mi (6,396.82 km) |
| Norridge to Pinhal Novo | 4,010.84 mi (6,454.83 km) |
| Norridge to Pinhel | 4,020.06 mi (6,469.66 km) |
