| Portici to Zafra | 1,114.51 mi (1,793.63 km) |
| Portici to Zamora | 1,044.09 mi (1,680.30 km) |
| Portici to Zaragoza | 792.09 mi (1,274.74 km) |
| Portici to Zarautz | 862.35 mi (1,387.82 km) |
| Portici to Zuera | 787.09 mi (1,266.70 km) |
| Portici to Zumaia | 866.96 mi (1,395.24 km) |
| Portici to Zumarraga | 868.62 mi (1,397.91 km) |
| Portici to Longyearbyen | 2,584.14 mi (4,158.77 km) |
| Portici to Ahus | 1,043.10 mi (1,678.72 km) |
| Portici to Akersberga | 1,300.83 mi (2,093.48 km) |
| Portici to Alingsas | 1,184.90 mi (1,906.91 km) |
| Portici to Almhult | 1,086.90 mi (1,749.19 km) |
| Portici to Alta | 1,284.26 mi (2,066.81 km) |
| Portici to Amal | 1,261.61 mi (2,030.37 km) |
| Portici to Arboga | 1,284.99 mi (2,067.99 km) |
