| Frederick to Oliveira de Frades | 3,561.26 mi (5,731.29 km) |
| Frederick to Oliveira do Bairro | 3,551.28 mi (5,715.24 km) |
| Frederick to Oliveira do Hospital | 3,586.41 mi (5,771.76 km) |
| Frederick to Ourem | 3,571.50 mi (5,747.77 km) |
| Frederick to Ovar | 3,535.54 mi (5,689.91 km) |
| Frederick to Pacos de Ferreira | 3,536.27 mi (5,691.08 km) |
| Frederick to Palmela | 3,585.22 mi (5,769.85 km) |
| Frederick to Paredes | 3,541.23 mi (5,699.06 km) |
| Frederick to Paredes de Coura | 3,511.80 mi (5,651.70 km) |
| Frederick to Penacova | 3,568.40 mi (5,742.79 km) |
| Frederick to Penafiel | 3,543.44 mi (5,702.62 km) |
| Frederick to Peniche | 3,540.54 mi (5,697.95 km) |
| Frederick to Peso da Regua | 3,568.91 mi (5,743.60 km) |
| Frederick to Pinhal Novo | 3,582.72 mi (5,765.83 km) |
| Frederick to Pinhel | 3,613.28 mi (5,815.01 km) |
