| Lake Norman of Catawba to Oliveira de Frades | 3,856.00 mi (6,205.63 km) |
| Lake Norman of Catawba to Oliveira do Bairro | 3,845.15 mi (6,188.17 km) |
| Lake Norman of Catawba to Oliveira do Hospital | 3,880.37 mi (6,244.86 km) |
| Lake Norman of Catawba to Ourem | 3,862.66 mi (6,216.36 km) |
| Lake Norman of Catawba to Ovar | 3,830.33 mi (6,164.33 km) |
| Lake Norman of Catawba to Pacos de Ferreira | 3,832.45 mi (6,167.73 km) |
| Lake Norman of Catawba to Palmela | 3,872.64 mi (6,232.41 km) |
| Lake Norman of Catawba to Paredes | 3,837.26 mi (6,175.48 km) |
| Lake Norman of Catawba to Paredes de Coura | 3,809.72 mi (6,131.15 km) |
| Lake Norman of Catawba to Penacova | 3,861.72 mi (6,214.84 km) |
| Lake Norman of Catawba to Penafiel | 3,839.54 mi (6,179.14 km) |
| Lake Norman of Catawba to Peniche | 3,829.99 mi (6,163.77 km) |
| Lake Norman of Catawba to Peso da Regua | 3,865.31 mi (6,220.62 km) |
| Lake Norman of Catawba to Pinhal Novo | 3,870.33 mi (6,228.70 km) |
| Lake Norman of Catawba to Pinhel | 3,909.19 mi (6,291.24 km) |
