| Port Huron to Sabadell | 4,126.28 mi (6,640.61 km) |
| Port Huron to Sabinanigo | 3,983.14 mi (6,410.24 km) |
| Port Huron to Sagunto | 4,090.39 mi (6,582.85 km) |
| Port Huron to Salamanca | 3,801.23 mi (6,117.49 km) |
| Port Huron to Salobrena | 4,047.86 mi (6,514.40 km) |
| Port Huron to Salou | 4,100.89 mi (6,599.74 km) |
| Port Huron to Salt | 4,139.94 mi (6,662.59 km) |
| Port Huron to Salvatierra de Mino | 3,635.47 mi (5,850.72 km) |
| Port Huron to Sama | 3,722.40 mi (5,990.62 km) |
| Port Huron to San Adrian de Besos | 4,135.49 mi (6,655.43 km) |
| Port Huron to San Agustin de Guadalix | 3,903.85 mi (6,282.64 km) |
| Port Huron to San Andres de la Barca | 4,124.31 mi (6,637.44 km) |
| Port Huron to San Andres de Llevaneras | 4,141.70 mi (6,665.42 km) |
| Port Huron to San Andres del Rabanedo | 3,748.55 mi (6,032.72 km) |
| Port Huron to San Bartolome | 3,801.77 mi (6,118.35 km) |
