| Buffalo to Oliveira de Frades | 3,531.07 mi (5,682.71 km) |
| Buffalo to Oliveira do Bairro | 3,522.68 mi (5,669.20 km) |
| Buffalo to Oliveira do Hospital | 3,557.44 mi (5,725.15 km) |
| Buffalo to Ourem | 3,547.38 mi (5,708.96 km) |
| Buffalo to Ovar | 3,505.40 mi (5,641.39 km) |
| Buffalo to Pacos de Ferreira | 3,503.69 mi (5,638.64 km) |
| Buffalo to Palmela | 3,567.15 mi (5,740.77 km) |
| Buffalo to Paredes | 3,508.86 mi (5,646.97 km) |
| Buffalo to Paredes de Coura | 3,476.19 mi (5,594.39 km) |
| Buffalo to Penacova | 3,540.65 mi (5,698.12 km) |
| Buffalo to Penafiel | 3,510.96 mi (5,650.34 km) |
| Buffalo to Peniche | 3,519.42 mi (5,663.96 km) |
| Buffalo to Peso da Regua | 3,535.74 mi (5,690.22 km) |
| Buffalo to Pinhal Novo | 3,564.35 mi (5,736.27 km) |
| Buffalo to Pinhel | 3,580.76 mi (5,762.68 km) |
