| Slidell to Quarteira | 4,573.24 mi (7,359.92 km) |
| Slidell to Queluz | 4,473.42 mi (7,199.27 km) |
| Slidell to Reguengos de Monsaraz | 4,569.26 mi (7,353.51 km) |
| Slidell to Resende | 4,484.24 mi (7,216.68 km) |
| Slidell to Ribeira Brava | 4,199.88 mi (6,759.06 km) |
| Slidell to Ribeira Grande | 3,644.04 mi (5,864.52 km) |
| Slidell to Rio de Mouro | 4,469.65 mi (7,193.20 km) |
| Slidell to Rio Maior | 4,476.76 mi (7,204.65 km) |
| Slidell to Rio Tinto | 4,453.31 mi (7,166.91 km) |
| Slidell to Sabugal | 4,545.26 mi (7,314.89 km) |
| Slidell to Sacavem | 4,480.59 mi (7,210.81 km) |
| Slidell to Salvaterra de Magos | 4,491.69 mi (7,228.68 km) |
| Slidell to Santa Comba Dao | 4,492.91 mi (7,230.64 km) |
| Slidell to Santa Cruz | 4,213.61 mi (6,781.15 km) |
| Slidell to Santa Iria da Azoia | 4,480.25 mi (7,210.26 km) |
