| Muscle Shoals to Oliveira de Frades | 4,210.30 mi (6,775.83 km) |
| Muscle Shoals to Oliveira do Bairro | 4,200.22 mi (6,759.60 km) |
| Muscle Shoals to Oliveira do Hospital | 4,235.36 mi (6,816.16 km) |
| Muscle Shoals to Ourem | 4,219.99 mi (6,791.41 km) |
| Muscle Shoals to Ovar | 4,184.59 mi (6,734.45 km) |
| Muscle Shoals to Pacos de Ferreira | 4,185.45 mi (6,735.83 km) |
| Muscle Shoals to Palmela | 4,232.80 mi (6,812.03 km) |
| Muscle Shoals to Paredes | 4,190.40 mi (6,743.79 km) |
| Muscle Shoals to Paredes de Coura | 4,161.06 mi (6,696.58 km) |
| Muscle Shoals to Penacova | 4,217.27 mi (6,787.03 km) |
| Muscle Shoals to Penafiel | 4,192.61 mi (6,747.36 km) |
| Muscle Shoals to Peniche | 4,188.64 mi (6,740.96 km) |
| Muscle Shoals to Peso da Regua | 4,218.10 mi (6,788.38 km) |
| Muscle Shoals to Pinhal Novo | 4,230.35 mi (6,808.09 km) |
| Muscle Shoals to Pinhel | 4,262.44 mi (6,859.74 km) |
