| Isabela to Quarteira | 3,759.81 mi (6,050.82 km) |
| Isabela to Queluz | 3,704.52 mi (5,961.86 km) |
| Isabela to Reguengos de Monsaraz | 3,796.16 mi (6,109.33 km) |
| Isabela to Resende | 3,788.36 mi (6,096.78 km) |
| Isabela to Ribeira Brava | 3,232.78 mi (5,202.65 km) |
| Isabela to Ribeira Grande | 2,827.56 mi (4,550.52 km) |
| Isabela to Rio de Mouro | 3,701.07 mi (5,956.30 km) |
| Isabela to Rio Maior | 3,725.86 mi (5,996.19 km) |
| Isabela to Rio Tinto | 3,758.04 mi (6,047.97 km) |
| Isabela to Sabugal | 3,829.60 mi (6,163.15 km) |
| Isabela to Sacavem | 3,713.42 mi (5,976.18 km) |
| Isabela to Salvaterra de Magos | 3,731.97 mi (6,006.02 km) |
| Isabela to Santa Comba Dao | 3,775.71 mi (6,076.42 km) |
| Isabela to Santa Cruz | 3,247.26 mi (5,225.97 km) |
| Isabela to Santa Iria da Azoia | 3,714.65 mi (5,978.15 km) |
