| Sumter to Oliveira de Frades | 3,882.92 mi (6,248.95 km) |
| Sumter to Oliveira do Bairro | 3,871.41 mi (6,230.43 km) |
| Sumter to Oliveira do Hospital | 3,906.66 mi (6,287.16 km) |
| Sumter to Ourem | 3,886.87 mi (6,255.32 km) |
| Sumter to Ovar | 3,857.33 mi (6,207.77 km) |
| Sumter to Pacos de Ferreira | 3,860.51 mi (6,212.90 km) |
| Sumter to Palmela | 3,894.12 mi (6,266.98 km) |
| Sumter to Paredes | 3,865.21 mi (6,220.46 km) |
| Sumter to Paredes de Coura | 3,839.19 mi (6,178.59 km) |
| Sumter to Penacova | 3,887.55 mi (6,256.40 km) |
| Sumter to Penafiel | 3,867.53 mi (6,224.19 km) |
| Sumter to Peniche | 3,852.99 mi (6,200.78 km) |
| Sumter to Peso da Regua | 3,893.51 mi (6,266.01 km) |
| Sumter to Pinhal Novo | 3,891.95 mi (6,263.49 km) |
| Sumter to Pinhel | 3,936.95 mi (6,335.91 km) |
