| Boiling Springs to Oliveira de Frades | 3,923.60 mi (6,314.43 km) |
| Boiling Springs to Oliveira do Bairro | 3,912.72 mi (6,296.91 km) |
| Boiling Springs to Oliveira do Hospital | 3,947.94 mi (6,353.60 km) |
| Boiling Springs to Ourem | 3,930.11 mi (6,324.90 km) |
| Boiling Springs to Ovar | 3,897.94 mi (6,273.13 km) |
| Boiling Springs to Pacos de Ferreira | 3,900.11 mi (6,276.62 km) |
| Boiling Springs to Palmela | 3,939.89 mi (6,340.64 km) |
| Boiling Springs to Paredes | 3,904.92 mi (6,284.36 km) |
| Boiling Springs to Paredes de Coura | 3,877.44 mi (6,240.13 km) |
| Boiling Springs to Penacova | 3,929.27 mi (6,323.55 km) |
| Boiling Springs to Penafiel | 3,907.19 mi (6,288.02 km) |
| Boiling Springs to Peniche | 3,897.35 mi (6,272.18 km) |
| Boiling Springs to Peso da Regua | 3,932.98 mi (6,329.52 km) |
| Boiling Springs to Pinhal Novo | 3,937.59 mi (6,336.95 km) |
| Boiling Springs to Pinhel | 3,976.84 mi (6,400.11 km) |
