| Grefrath to Queluz | 1,151.28 mi (1,852.80 km) |
| Grefrath to Reguengos de Monsaraz | 1,117.75 mi (1,798.84 km) |
| Grefrath to Resende | 980.14 mi (1,577.38 km) |
| Grefrath to Ribeira Brava | 1,746.42 mi (2,810.59 km) |
| Grefrath to Ribeira Grande | 1,804.07 mi (2,903.38 km) |
| Grefrath to Rio de Mouro | 1,152.39 mi (1,854.60 km) |
| Grefrath to Rio Maior | 1,108.28 mi (1,783.60 km) |
| Grefrath to Rio Tinto | 996.08 mi (1,603.04 km) |
| Grefrath to Sabugal | 993.65 mi (1,599.13 km) |
| Grefrath to Sacavem | 1,143.79 mi (1,840.75 km) |
| Grefrath to Salvaterra de Magos | 1,121.21 mi (1,804.42 km) |
| Grefrath to Santa Comba Dao | 1,023.37 mi (1,646.95 km) |
| Grefrath to Santa Cruz | 1,738.00 mi (2,797.04 km) |
| Grefrath to Santa Iria da Azoia | 1,140.33 mi (1,835.19 km) |
| Grefrath to Santarem | 1,106.00 mi (1,779.93 km) |
