| Leighton Buzzard to Oliveira de Frades | 851.93 mi (1,371.05 km) |
| Leighton Buzzard to Oliveira do Bairro | 871.05 mi (1,401.81 km) |
| Leighton Buzzard to Oliveira do Hospital | 868.76 mi (1,398.13 km) |
| Leighton Buzzard to Ourem | 927.88 mi (1,493.28 km) |
| Leighton Buzzard to Ovar | 851.55 mi (1,370.45 km) |
| Leighton Buzzard to Pacos de Ferreira | 821.36 mi (1,321.86 km) |
| Leighton Buzzard to Palmela | 1,004.16 mi (1,616.03 km) |
| Leighton Buzzard to Paredes | 824.20 mi (1,326.42 km) |
| Leighton Buzzard to Paredes de Coura | 784.29 mi (1,262.19 km) |
| Leighton Buzzard to Penacova | 882.48 mi (1,420.22 km) |
| Leighton Buzzard to Penafiel | 822.80 mi (1,324.17 km) |
| Leighton Buzzard to Peniche | 963.14 mi (1,550.02 km) |
| Leighton Buzzard to Peso da Regua | 815.23 mi (1,311.98 km) |
| Leighton Buzzard to Pinhal Novo | 1,000.27 mi (1,609.77 km) |
| Leighton Buzzard to Pinhel | 826.87 mi (1,330.71 km) |
