| Killingworth to Oliveira de Frades | 1,034.53 mi (1,664.92 km) |
| Killingworth to Oliveira do Bairro | 1,052.20 mi (1,693.35 km) |
| Killingworth to Oliveira do Hospital | 1,054.32 mi (1,696.76 km) |
| Killingworth to Ourem | 1,110.96 mi (1,787.92 km) |
| Killingworth to Ovar | 1,030.78 mi (1,658.88 km) |
| Killingworth to Pacos de Ferreira | 1,000.87 mi (1,610.75 km) |
| Killingworth to Palmela | 1,187.90 mi (1,911.74 km) |
| Killingworth to Paredes | 1,004.37 mi (1,616.38 km) |
| Killingworth to Paredes de Coura | 960.41 mi (1,545.64 km) |
| Killingworth to Penacova | 1,065.68 mi (1,715.05 km) |
| Killingworth to Penafiel | 1,003.28 mi (1,614.63 km) |
| Killingworth to Peniche | 1,142.19 mi (1,838.17 km) |
| Killingworth to Peso da Regua | 999.18 mi (1,608.03 km) |
| Killingworth to Pinhal Novo | 1,183.78 mi (1,905.11 km) |
| Killingworth to Pinhel | 1,016.24 mi (1,635.48 km) |
