| Duluth to Oliveira de Frades | 4,007.10 mi (6,448.81 km) |
| Duluth to Oliveira do Bairro | 4,001.99 mi (6,440.58 km) |
| Duluth to Oliveira do Hospital | 4,035.39 mi (6,494.33 km) |
| Duluth to Ourem | 4,035.00 mi (6,493.71 km) |
| Duluth to Ovar | 3,982.01 mi (6,408.43 km) |
| Duluth to Pacos de Ferreira | 3,975.46 mi (6,397.88 km) |
| Duluth to Palmela | 4,065.99 mi (6,543.57 km) |
| Duluth to Paredes | 3,980.98 mi (6,406.77 km) |
| Duluth to Paredes de Coura | 3,942.44 mi (6,344.74 km) |
| Duluth to Penacova | 4,021.29 mi (6,471.64 km) |
| Duluth to Penafiel | 3,982.80 mi (6,409.70 km) |
| Duluth to Peniche | 4,013.34 mi (6,458.85 km) |
| Duluth to Peso da Regua | 4,005.71 mi (6,446.57 km) |
| Duluth to Pinhal Novo | 4,062.69 mi (6,538.27 km) |
| Duluth to Pinhel | 4,051.17 mi (6,519.73 km) |
