| Portici to Bormujos | 1,117.32 mi (1,798.15 km) |
| Portici to Brenes | 1,102.92 mi (1,774.98 km) |
| Portici to Brunete | 960.39 mi (1,545.60 km) |
| Portici to Bueu | 1,196.14 mi (1,925.00 km) |
| Portici to Bullas | 874.28 mi (1,407.01 km) |
| Portici to Bunol | 804.30 mi (1,294.40 km) |
| Portici to Burela de Cabo | 1,125.88 mi (1,811.93 km) |
| Portici to Burgos | 936.53 mi (1,507.20 km) |
| Portici to Burjasot | 783.04 mi (1,260.18 km) |
| Portici to Burriana | 761.81 mi (1,226.02 km) |
| Portici to Cabanaquinta | 1,033.22 mi (1,662.81 km) |
| Portici to Cabanillas del Campo | 918.83 mi (1,478.71 km) |
| Portici to Cabra | 1,030.21 mi (1,657.96 km) |
| Portici to Caceres | 1,094.93 mi (1,762.12 km) |
| Portici to Cadiz | 1,148.91 mi (1,848.99 km) |
