| Port Neches to Grottaferrata | 5,629.36 mi (9,059.58 km) |
| Port Neches to Grottaglie | 5,882.62 mi (9,467.17 km) |
| Port Neches to Grottammare | 5,634.86 mi (9,068.43 km) |
| Port Neches to Grugliasco | 5,293.54 mi (8,519.13 km) |
| Port Neches to Grumo Appula | 5,831.97 mi (9,385.66 km) |
| Port Neches to Grumo Nevano | 5,730.93 mi (9,223.05 km) |
| Port Neches to Gualdo Tadino | 5,579.94 mi (8,980.05 km) |
| Port Neches to Guardiagrele | 5,679.96 mi (9,141.02 km) |
| Port Neches to Guastalla | 5,429.20 mi (8,737.46 km) |
| Port Neches to Gubbio | 5,566.42 mi (8,958.29 km) |
| Port Neches to Guspini | 5,531.94 mi (8,902.79 km) |
| Port Neches to Gussago | 5,383.35 mi (8,663.66 km) |
| Port Neches to Iesi | 5,588.26 mi (8,993.43 km) |
| Port Neches to Iesolo | 5,488.57 mi (8,833.00 km) |
| Port Neches to Iglesias | 5,535.03 mi (8,907.77 km) |
