| Great Falls to Oliveira de Frades | 4,740.29 mi (7,628.76 km) |
| Great Falls to Oliveira do Bairro | 4,738.32 mi (7,625.58 km) |
| Great Falls to Oliveira do Hospital | 4,769.70 mi (7,676.09 km) |
| Great Falls to Ourem | 4,778.21 mi (7,689.79 km) |
| Great Falls to Ovar | 4,716.31 mi (7,590.16 km) |
| Great Falls to Pacos de Ferreira | 4,705.46 mi (7,572.70 km) |
| Great Falls to Palmela | 4,818.77 mi (7,755.07 km) |
| Great Falls to Paredes | 4,711.16 mi (7,581.89 km) |
| Great Falls to Paredes de Coura | 4,668.12 mi (7,512.62 km) |
| Great Falls to Penacova | 4,758.41 mi (7,657.92 km) |
| Great Falls to Penafiel | 4,712.69 mi (7,584.34 km) |
| Great Falls to Peniche | 4,762.74 mi (7,664.88 km) |
| Great Falls to Peso da Regua | 4,733.35 mi (7,617.59 km) |
| Great Falls to Pinhal Novo | 4,815.08 mi (7,749.13 km) |
| Great Falls to Pinhel | 4,778.15 mi (7,689.69 km) |
