| Mastic Beach to Oliveira de Frades | 3,302.80 mi (5,315.34 km) |
| Mastic Beach to Oliveira do Bairro | 3,292.75 mi (5,299.17 km) |
| Mastic Beach to Oliveira do Hospital | 3,327.88 mi (5,355.71 km) |
| Mastic Beach to Ourem | 3,312.79 mi (5,331.42 km) |
| Mastic Beach to Ovar | 3,277.09 mi (5,273.96 km) |
| Mastic Beach to Pacos de Ferreira | 3,277.97 mi (5,275.38 km) |
| Mastic Beach to Palmela | 3,326.42 mi (5,353.35 km) |
| Mastic Beach to Paredes | 3,282.91 mi (5,283.33 km) |
| Mastic Beach to Paredes de Coura | 3,253.72 mi (5,236.36 km) |
| Mastic Beach to Penacova | 3,309.83 mi (5,326.65 km) |
| Mastic Beach to Penafiel | 3,285.13 mi (5,286.90 km) |
| Mastic Beach to Peniche | 3,281.77 mi (5,281.49 km) |
| Mastic Beach to Peso da Regua | 3,310.63 mi (5,327.95 km) |
| Mastic Beach to Pinhal Novo | 3,323.92 mi (5,349.33 km) |
| Mastic Beach to Pinhel | 3,354.95 mi (5,399.27 km) |
