| Knightdale to Oliveira de Frades | 3,726.99 mi (5,998.01 km) |
| Knightdale to Oliveira do Bairro | 3,715.83 mi (5,980.04 km) |
| Knightdale to Oliveira do Hospital | 3,751.07 mi (6,036.76 km) |
| Knightdale to Ourem | 3,732.40 mi (6,006.72 km) |
| Knightdale to Ovar | 3,701.36 mi (5,956.76 km) |
| Knightdale to Pacos de Ferreira | 3,703.99 mi (5,961.00 km) |
| Knightdale to Palmela | 3,741.19 mi (6,020.87 km) |
| Knightdale to Paredes | 3,708.75 mi (5,968.66 km) |
| Knightdale to Paredes de Coura | 3,681.96 mi (5,925.54 km) |
| Knightdale to Penacova | 3,732.20 mi (6,006.40 km) |
| Knightdale to Penafiel | 3,711.05 mi (5,972.35 km) |
| Knightdale to Peniche | 3,699.18 mi (5,953.26 km) |
| Knightdale to Peso da Regua | 3,736.93 mi (6,014.01 km) |
| Knightdale to Pinhal Novo | 3,738.94 mi (6,017.25 km) |
| Knightdale to Pinhel | 3,780.60 mi (6,084.29 km) |
