| Cayce to Quarteira | 4,003.36 mi (6,442.79 km) |
| Cayce to Queluz | 3,904.18 mi (6,283.18 km) |
| Cayce to Reguengos de Monsaraz | 4,000.12 mi (6,437.57 km) |
| Cayce to Resende | 3,917.42 mi (6,304.48 km) |
| Cayce to Ribeira Brava | 3,632.72 mi (5,846.29 km) |
| Cayce to Ribeira Grande | 3,074.25 mi (4,947.53 km) |
| Cayce to Rio de Mouro | 3,900.41 mi (6,277.11 km) |
| Cayce to Rio Maior | 3,907.99 mi (6,289.30 km) |
| Cayce to Rio Tinto | 3,886.40 mi (6,254.55 km) |
| Cayce to Sabugal | 3,977.86 mi (6,401.74 km) |
| Cayce to Sacavem | 3,911.41 mi (6,294.80 km) |
| Cayce to Salvaterra de Magos | 3,922.72 mi (6,313.00 km) |
| Cayce to Santa Comba Dao | 3,925.28 mi (6,317.12 km) |
| Cayce to Santa Cruz | 3,646.36 mi (5,868.25 km) |
| Cayce to Santa Iria da Azoia | 3,911.10 mi (6,294.31 km) |
