| Cape Girardeau to Oliveira de Frades | 4,210.26 mi (6,775.76 km) |
| Cape Girardeau to Oliveira do Bairro | 4,201.35 mi (6,761.41 km) |
| Cape Girardeau to Oliveira do Hospital | 4,236.25 mi (6,817.59 km) |
| Cape Girardeau to Ourem | 4,224.47 mi (6,798.62 km) |
| Cape Girardeau to Ovar | 4,184.56 mi (6,734.40 km) |
| Cape Girardeau to Pacos de Ferreira | 4,183.60 mi (6,732.86 km) |
| Cape Girardeau to Palmela | 4,241.79 mi (6,826.50 km) |
| Cape Girardeau to Paredes | 4,188.72 mi (6,741.09 km) |
| Cape Girardeau to Paredes de Coura | 4,156.95 mi (6,689.96 km) |
| Cape Girardeau to Penacova | 4,219.04 mi (6,789.89 km) |
| Cape Girardeau to Penafiel | 4,190.85 mi (6,744.52 km) |
| Cape Girardeau to Peniche | 4,195.31 mi (6,751.70 km) |
| Cape Girardeau to Peso da Regua | 4,215.85 mi (6,784.75 km) |
| Cape Girardeau to Pinhal Novo | 4,239.12 mi (6,822.21 km) |
| Cape Girardeau to Pinhel | 4,260.71 mi (6,856.95 km) |
