| Friendswood to Oliveira de Frades | 4,778.84 mi (7,690.80 km) |
| Friendswood to Oliveira do Bairro | 4,768.46 mi (7,674.10 km) |
| Friendswood to Oliveira do Hospital | 4,803.64 mi (7,730.71 km) |
| Friendswood to Ourem | 4,787.24 mi (7,704.32 km) |
| Friendswood to Ovar | 4,753.14 mi (7,649.44 km) |
| Friendswood to Pacos de Ferreira | 4,754.44 mi (7,651.53 km) |
| Friendswood to Palmela | 4,798.52 mi (7,722.48 km) |
| Friendswood to Paredes | 4,759.34 mi (7,659.42 km) |
| Friendswood to Paredes de Coura | 4,730.55 mi (7,613.08 km) |
| Friendswood to Penacova | 4,785.32 mi (7,701.23 km) |
| Friendswood to Penafiel | 4,761.58 mi (7,663.02 km) |
| Friendswood to Peniche | 4,755.22 mi (7,652.78 km) |
| Friendswood to Peso da Regua | 4,787.17 mi (7,704.20 km) |
| Friendswood to Pinhal Novo | 4,796.16 mi (7,718.67 km) |
| Friendswood to Pinhel | 4,831.36 mi (7,775.33 km) |
