| Port Neches to Arcos de Valdevez | 4,659.62 mi (7,498.94 km) |
| Port Neches to Arcozelo | 4,668.39 mi (7,513.05 km) |
| Port Neches to Arganil | 4,717.97 mi (7,592.85 km) |
| Port Neches to Arouca | 4,690.62 mi (7,548.82 km) |
| Port Neches to Arruda dos Vinhos | 4,699.13 mi (7,562.51 km) |
| Port Neches to Aveiro | 4,678.34 mi (7,529.06 km) |
| Port Neches to Aver-o-Mar | 4,653.54 mi (7,489.15 km) |
| Port Neches to Aves | 4,675.36 mi (7,524.27 km) |
| Port Neches to Azambuja | 4,707.00 mi (7,575.18 km) |
| Port Neches to Baiao | 4,695.07 mi (7,555.99 km) |
| Port Neches to Barcelos | 4,658.16 mi (7,496.58 km) |
| Port Neches to Barreiro | 4,707.16 mi (7,575.45 km) |
| Port Neches to Batalha | 4,695.56 mi (7,556.77 km) |
| Port Neches to Beja | 4,783.02 mi (7,697.52 km) |
| Port Neches to Belas | 4,694.13 mi (7,554.47 km) |
