| Port Huron to San Dona di Piave | 4,402.70 mi (7,085.46 km) |
| Port Huron to San Donato Milanese | 4,280.10 mi (6,888.15 km) |
| Port Huron to San Felice Circeo | 4,605.13 mi (7,411.24 km) |
| Port Huron to San Felice sul Panaro | 4,377.95 mi (7,045.64 km) |
| Port Huron to San Ferdinando di Puglia | 4,723.61 mi (7,601.92 km) |
| Port Huron to San Gavino Monreale | 4,493.75 mi (7,231.99 km) |
| Port Huron to San Gennaro Vesuviano | 4,679.88 mi (7,531.53 km) |
| Port Huron to San Giorgio a Cremano | 4,673.10 mi (7,520.63 km) |
| Port Huron to San Giorgio del Sannio | 4,684.26 mi (7,538.59 km) |
| Port Huron to San Giorgio di Piano | 4,395.21 mi (7,073.40 km) |
| Port Huron to San Giorgio Ionico | 4,813.37 mi (7,746.36 km) |
| Port Huron to San Giovanni in Fiore | 4,838.61 mi (7,786.99 km) |
| Port Huron to San Giovanni in Marignano | 4,477.29 mi (7,205.51 km) |
| Port Huron to San Giovanni in Persiceto | 4,387.63 mi (7,061.20 km) |
| Port Huron to San Giovanni la Punta | 4,846.05 mi (7,798.96 km) |
