| Port Huron to Sonneberg | 4,165.79 mi (6,704.18 km) |
| Port Huron to Sonsbeck | 3,942.49 mi (6,344.83 km) |
| Port Huron to Sonthofen | 4,239.43 mi (6,822.71 km) |
| Port Huron to Spaichingen | 4,158.29 mi (6,692.13 km) |
| Port Huron to Spelle | 3,957.10 mi (6,368.34 km) |
| Port Huron to Spenge | 4,002.41 mi (6,441.26 km) |
| Port Huron to Speyer | 4,100.73 mi (6,599.48 km) |
| Port Huron to Spiesen-Elversberg | 4,050.93 mi (6,519.33 km) |
| Port Huron to Spremberg | 4,235.94 mi (6,817.09 km) |
| Port Huron to Springe | 4,038.37 mi (6,499.13 km) |
| Port Huron to Sprockhovel | 3,983.41 mi (6,410.68 km) |
| Port Huron to Stade | 3,987.16 mi (6,416.72 km) |
| Port Huron to Stadtallendorf | 4,068.14 mi (6,547.04 km) |
| Port Huron to Stadthagen | 4,022.09 mi (6,472.93 km) |
| Port Huron to Stadtlohn | 3,949.50 mi (6,356.11 km) |
