| Portici to Reinosa | 960.02 mi (1,545.01 km) |
| Portici to Requena | 819.64 mi (1,319.08 km) |
| Portici to Reus | 689.87 mi (1,110.23 km) |
| Portici to Rianxo | 1,196.91 mi (1,926.23 km) |
| Portici to Ribadeo | 1,107.55 mi (1,782.43 km) |
| Portici to Rincon de la Victoria | 1,040.31 mi (1,674.22 km) |
| Portici to Ripoll | 635.32 mi (1,022.44 km) |
| Portici to Ripollet | 634.99 mi (1,021.92 km) |
| Portici to Rojales | 824.41 mi (1,326.76 km) |
| Portici to Ronda | 1,085.29 mi (1,746.60 km) |
| Portici to Roquetas de Mar | 953.36 mi (1,534.28 km) |
| Portici to Rosas | 585.55 mi (942.36 km) |
| Portici to Rubi | 641.45 mi (1,032.32 km) |
| Portici to Rute | 1,030.15 mi (1,657.86 km) |
| Portici to Sabadell | 637.59 mi (1,026.11 km) |
