| Grinon to Quarteira | 316.12 mi (508.74 km) |
| Grinon to Queluz | 306.00 mi (492.46 km) |
| Grinon to Reguengos de Monsaraz | 232.85 mi (374.73 km) |
| Grinon to Resende | 224.18 mi (360.79 km) |
| Grinon to Ribeira Brava | 897.90 mi (1,445.04 km) |
| Grinon to Ribeira Grande | 1,171.90 mi (1,885.99 km) |
| Grinon to Rio de Mouro | 308.91 mi (497.15 km) |
| Grinon to Rio Maior | 276.71 mi (445.32 km) |
| Grinon to Rio Tinto | 255.48 mi (411.15 km) |
| Grinon to Sabugal | 170.66 mi (274.65 km) |
| Grinon to Sacavem | 296.84 mi (477.71 km) |
| Grinon to Salvaterra de Magos | 275.31 mi (443.06 km) |
| Grinon to Santa Comba Dao | 225.14 mi (362.33 km) |
| Grinon to Santa Cruz | 886.67 mi (1,426.95 km) |
| Grinon to Santa Iria da Azoia | 294.70 mi (474.28 km) |
