| Cave Spring to Oliveira de Frades | 3,754.97 mi (6,043.04 km) |
| Cave Spring to Oliveira do Bairro | 3,744.55 mi (6,026.26 km) |
| Cave Spring to Oliveira do Hospital | 3,779.73 mi (6,082.89 km) |
| Cave Spring to Ourem | 3,763.38 mi (6,056.57 km) |
| Cave Spring to Ovar | 3,729.27 mi (6,001.69 km) |
| Cave Spring to Pacos de Ferreira | 3,730.71 mi (6,004.00 km) |
| Cave Spring to Palmela | 3,775.15 mi (6,075.52 km) |
| Cave Spring to Paredes | 3,735.60 mi (6,011.86 km) |
| Cave Spring to Paredes de Coura | 3,707.11 mi (5,966.02 km) |
| Cave Spring to Penacova | 3,761.39 mi (6,053.38 km) |
| Cave Spring to Penafiel | 3,737.84 mi (6,015.47 km) |
| Cave Spring to Peniche | 3,731.52 mi (6,005.30 km) |
| Cave Spring to Peso da Regua | 3,763.47 mi (6,056.72 km) |
| Cave Spring to Pinhal Novo | 3,772.75 mi (6,071.66 km) |
| Cave Spring to Pinhel | 3,807.60 mi (6,127.74 km) |
