| Grosse Pointe Woods to Oliveira de Frades | 3,731.80 mi (6,005.76 km) |
| Grosse Pointe Woods to Oliveira do Bairro | 3,723.76 mi (5,992.81 km) |
| Grosse Pointe Woods to Oliveira do Hospital | 3,758.42 mi (6,048.59 km) |
| Grosse Pointe Woods to Ourem | 3,749.37 mi (6,034.03 km) |
| Grosse Pointe Woods to Ovar | 3,706.16 mi (5,964.49 km) |
| Grosse Pointe Woods to Pacos de Ferreira | 3,703.91 mi (5,960.87 km) |
| Grosse Pointe Woods to Palmela | 3,770.27 mi (6,067.66 km) |
| Grosse Pointe Woods to Paredes | 3,709.13 mi (5,969.27 km) |
| Grosse Pointe Woods to Paredes de Coura | 3,675.75 mi (5,915.54 km) |
| Grosse Pointe Woods to Penacova | 3,741.89 mi (6,021.99 km) |
| Grosse Pointe Woods to Penafiel | 3,711.20 mi (5,972.60 km) |
| Grosse Pointe Woods to Peniche | 3,722.02 mi (5,990.00 km) |
| Grosse Pointe Woods to Peso da Regua | 3,735.80 mi (6,012.19 km) |
| Grosse Pointe Woods to Pinhal Novo | 3,767.42 mi (6,063.08 km) |
| Grosse Pointe Woods to Pinhel | 3,780.93 mi (6,084.82 km) |
