| Gretna to Quarteira | 4,600.35 mi (7,403.54 km) |
| Gretna to Queluz | 4,500.87 mi (7,243.44 km) |
| Gretna to Reguengos de Monsaraz | 4,596.74 mi (7,397.74 km) |
| Gretna to Resende | 4,512.33 mi (7,261.89 km) |
| Gretna to Ribeira Brava | 4,224.91 mi (6,799.34 km) |
| Gretna to Ribeira Grande | 3,670.16 mi (5,906.56 km) |
| Gretna to Rio de Mouro | 4,497.09 mi (7,237.37 km) |
| Gretna to Rio Maior | 4,504.37 mi (7,249.09 km) |
| Gretna to Rio Tinto | 4,481.38 mi (7,212.08 km) |
| Gretna to Sabugal | 4,573.23 mi (7,359.90 km) |
| Gretna to Sacavem | 4,508.06 mi (7,255.02 km) |
| Gretna to Salvaterra de Magos | 4,519.24 mi (7,273.01 km) |
| Gretna to Santa Comba Dao | 4,520.83 mi (7,275.57 km) |
| Gretna to Santa Cruz | 4,238.67 mi (6,821.48 km) |
| Gretna to Santa Iria da Azoia | 4,507.73 mi (7,254.49 km) |
