| Port Huron to Granada | 4,031.14 mi (6,487.49 km) |
| Port Huron to Granadilla de Abona | 3,743.56 mi (6,024.68 km) |
| Port Huron to Granollers | 4,131.96 mi (6,649.74 km) |
| Port Huron to Grinon | 3,909.50 mi (6,291.73 km) |
| Port Huron to Guadalajara | 3,925.59 mi (6,317.63 km) |
| Port Huron to Guadarrama | 3,882.64 mi (6,248.51 km) |
| Port Huron to Guadix | 4,048.28 mi (6,515.07 km) |
| Port Huron to Guardamar del Segura | 4,132.50 mi (6,650.61 km) |
| Port Huron to Guernica y Luno | 3,854.72 mi (6,203.57 km) |
| Port Huron to Guia de Isora | 3,730.08 mi (6,002.98 km) |
| Port Huron to Guillena | 3,904.07 mi (6,283.00 km) |
| Port Huron to Guimar | 3,744.48 mi (6,026.17 km) |
| Port Huron to Hellin | 4,069.65 mi (6,549.47 km) |
| Port Huron to Herencia | 3,962.34 mi (6,376.77 km) |
| Port Huron to Hernani | 3,887.03 mi (6,255.56 km) |
