| Altamonte Springs to Oliveira de Frades | 4,122.85 mi (6,635.09 km) |
| Altamonte Springs to Oliveira do Bairro | 4,109.85 mi (6,614.16 km) |
| Altamonte Springs to Oliveira do Hospital | 4,144.99 mi (6,670.71 km) |
| Altamonte Springs to Ourem | 4,120.34 mi (6,631.05 km) |
| Altamonte Springs to Ovar | 4,097.57 mi (6,594.41 km) |
| Altamonte Springs to Pacos de Ferreira | 4,103.25 mi (6,603.55 km) |
| Altamonte Springs to Palmela | 4,120.97 mi (6,632.07 km) |
| Altamonte Springs to Paredes | 4,107.66 mi (6,610.64 km) |
| Altamonte Springs to Paredes de Coura | 4,085.33 mi (6,574.71 km) |
| Altamonte Springs to Penacova | 4,124.87 mi (6,638.33 km) |
| Altamonte Springs to Penafiel | 4,110.07 mi (6,614.51 km) |
| Altamonte Springs to Peniche | 4,083.74 mi (6,572.14 km) |
| Altamonte Springs to Peso da Regua | 4,136.41 mi (6,656.91 km) |
| Altamonte Springs to Pinhal Novo | 4,119.16 mi (6,629.15 km) |
| Altamonte Springs to Pinhel | 4,178.59 mi (6,724.78 km) |
