| Cayce to Oliveira de Frades | 3,915.01 mi (6,300.60 km) |
| Cayce to Oliveira do Bairro | 3,903.61 mi (6,282.25 km) |
| Cayce to Oliveira do Hospital | 3,938.86 mi (6,338.98 km) |
| Cayce to Ourem | 3,919.39 mi (6,307.66 km) |
| Cayce to Ovar | 3,889.41 mi (6,259.40 km) |
| Cayce to Pacos de Ferreira | 3,892.42 mi (6,264.24 km) |
| Cayce to Palmela | 3,927.05 mi (6,319.98 km) |
| Cayce to Paredes | 3,897.14 mi (6,271.84 km) |
| Cayce to Paredes de Coura | 3,870.86 mi (6,229.55 km) |
| Cayce to Penacova | 3,919.82 mi (6,308.34 km) |
| Cayce to Penafiel | 3,899.45 mi (6,275.55 km) |
| Cayce to Peniche | 3,885.69 mi (6,253.42 km) |
| Cayce to Peso da Regua | 3,925.40 mi (6,317.32 km) |
| Cayce to Pinhal Novo | 3,924.87 mi (6,316.46 km) |
| Cayce to Pinhel | 3,968.91 mi (6,387.35 km) |
