| Longbenton to Oliveira de Frades | 1,032.28 mi (1,661.29 km) |
| Longbenton to Oliveira do Bairro | 1,049.94 mi (1,689.71 km) |
| Longbenton to Oliveira do Hospital | 1,052.05 mi (1,693.11 km) |
| Longbenton to Ourem | 1,108.70 mi (1,784.28 km) |
| Longbenton to Ovar | 1,028.53 mi (1,655.26 km) |
| Longbenton to Pacos de Ferreira | 998.62 mi (1,607.12 km) |
| Longbenton to Palmela | 1,185.64 mi (1,908.10 km) |
| Longbenton to Paredes | 1,002.11 mi (1,612.75 km) |
| Longbenton to Paredes de Coura | 958.17 mi (1,542.02 km) |
| Longbenton to Penacova | 1,063.42 mi (1,711.41 km) |
| Longbenton to Penafiel | 1,001.03 mi (1,611.00 km) |
| Longbenton to Peniche | 1,139.93 mi (1,834.55 km) |
| Longbenton to Peso da Regua | 996.92 mi (1,604.39 km) |
| Longbenton to Pinhal Novo | 1,181.52 mi (1,901.48 km) |
| Longbenton to Pinhel | 1,013.97 mi (1,631.83 km) |
