| Storm Lake to Oliveira de Frades | 4,277.13 mi (6,883.37 km) |
| Storm Lake to Oliveira do Bairro | 4,270.94 mi (6,873.41 km) |
| Storm Lake to Oliveira do Hospital | 4,304.87 mi (6,928.02 km) |
| Storm Lake to Ourem | 4,301.28 mi (6,922.24 km) |
| Storm Lake to Ovar | 4,251.78 mi (6,842.57 km) |
| Storm Lake to Pacos de Ferreira | 4,246.75 mi (6,834.48 km) |
| Storm Lake to Palmela | 4,328.44 mi (6,965.95 km) |
| Storm Lake to Paredes | 4,252.18 mi (6,843.22 km) |
| Storm Lake to Paredes de Coura | 4,215.35 mi (6,783.96 km) |
| Storm Lake to Penacova | 4,289.86 mi (6,903.86 km) |
| Storm Lake to Penafiel | 4,254.09 mi (6,846.30 km) |
| Storm Lake to Peniche | 4,277.39 mi (6,883.79 km) |
| Storm Lake to Peso da Regua | 4,277.66 mi (6,884.22 km) |
| Storm Lake to Pinhal Novo | 4,325.32 mi (6,960.92 km) |
| Storm Lake to Pinhel | 4,323.10 mi (6,957.36 km) |
