| Port Huron to Gaeta | 4,625.30 mi (7,443.70 km) |
| Port Huron to Gaggiano | 4,271.23 mi (6,873.89 km) |
| Port Huron to Galatina | 4,858.24 mi (7,818.58 km) |
| Port Huron to Galatone | 4,854.95 mi (7,813.29 km) |
| Port Huron to Galbiate | 4,269.96 mi (6,871.84 km) |
| Port Huron to Gallarate | 4,251.44 mi (6,842.03 km) |
| Port Huron to Galliate | 4,254.73 mi (6,847.32 km) |
| Port Huron to Gallipoli | 4,856.13 mi (7,815.19 km) |
| Port Huron to Gambettola | 4,454.81 mi (7,169.32 km) |
| Port Huron to Gambolo | 4,270.01 mi (6,871.92 km) |
| Port Huron to Garbagnate Milanese | 4,266.46 mi (6,866.21 km) |
| Port Huron to Gardone Val Trompia | 4,306.41 mi (6,930.50 km) |
| Port Huron to Garlasco | 4,274.37 mi (6,878.94 km) |
| Port Huron to Gassino Torinese | 4,232.92 mi (6,812.22 km) |
| Port Huron to Gatteo | 4,457.49 mi (7,173.64 km) |
