| Markham to Quarteira | 4,108.75 mi (6,612.39 km) |
| Markham to Queluz | 3,994.86 mi (6,429.10 km) |
| Markham to Reguengos de Monsaraz | 4,087.26 mi (6,577.81 km) |
| Markham to Resende | 3,974.30 mi (6,396.02 km) |
| Markham to Ribeira Brava | 3,831.06 mi (6,165.49 km) |
| Markham to Ribeira Grande | 3,242.87 mi (5,218.89 km) |
| Markham to Rio de Mouro | 3,991.16 mi (6,423.15 km) |
| Markham to Rio Maior | 3,990.27 mi (6,421.72 km) |
| Markham to Rio Tinto | 3,944.79 mi (6,348.53 km) |
| Markham to Sabugal | 4,040.22 mi (6,502.11 km) |
| Markham to Sacavem | 4,000.88 mi (6,438.79 km) |
| Markham to Salvaterra de Magos | 4,008.16 mi (6,450.51 km) |
| Markham to Santa Comba Dao | 3,991.32 mi (6,423.41 km) |
| Markham to Santa Cruz | 3,843.51 mi (6,185.53 km) |
| Markham to Santa Iria da Azoia | 3,999.88 mi (6,437.18 km) |
