| Port Neches to Ascoli Piceno | 5,628.25 mi (9,057.79 km) |
| Port Neches to Asola | 5,408.05 mi (8,703.41 km) |
| Port Neches to Asolo | 5,448.99 mi (8,769.30 km) |
| Port Neches to Assemini | 5,557.61 mi (8,944.11 km) |
| Port Neches to Assisi | 5,578.81 mi (8,978.22 km) |
| Port Neches to Asti | 5,326.02 mi (8,571.41 km) |
| Port Neches to Atessa | 5,695.02 mi (9,165.25 km) |
| Port Neches to Atri | 5,655.35 mi (9,101.41 km) |
| Port Neches to Atripalda | 5,755.72 mi (9,262.94 km) |
| Port Neches to Augusta | 5,916.86 mi (9,522.26 km) |
| Port Neches to Aulla | 5,424.64 mi (8,730.12 km) |
| Port Neches to Aurisina | 5,526.01 mi (8,893.26 km) |
| Port Neches to Avellino | 5,754.14 mi (9,260.39 km) |
| Port Neches to Aversa | 5,726.76 mi (9,216.33 km) |
| Port Neches to Avezzano | 5,652.87 mi (9,097.41 km) |
