| Robstown to Quarteira | 5,068.45 mi (8,156.88 km) |
| Robstown to Queluz | 4,966.03 mi (7,992.06 km) |
| Robstown to Reguengos de Monsaraz | 5,061.48 mi (8,145.67 km) |
| Robstown to Resende | 4,970.64 mi (7,999.47 km) |
| Robstown to Ribeira Brava | 4,704.53 mi (7,571.21 km) |
| Robstown to Ribeira Grande | 4,145.21 mi (6,671.07 km) |
| Robstown to Rio de Mouro | 4,962.27 mi (7,986.00 km) |
| Robstown to Rio Maior | 4,967.93 mi (7,995.12 km) |
| Robstown to Rio Tinto | 4,939.94 mi (7,950.07 km) |
| Robstown to Sabugal | 5,032.88 mi (8,099.64 km) |
| Robstown to Sacavem | 4,973.02 mi (8,003.30 km) |
| Robstown to Salvaterra de Magos | 4,983.45 mi (8,020.09 km) |
| Robstown to Santa Comba Dao | 4,981.13 mi (8,016.35 km) |
| Robstown to Santa Cruz | 4,718.20 mi (7,593.22 km) |
| Robstown to Santa Iria da Azoia | 4,972.56 mi (8,002.56 km) |
