| Port Huron to Srbobran | 4,683.58 mi (7,537.49 km) |
| Port Huron to Sremska Kamenica | 4,699.42 mi (7,562.98 km) |
| Port Huron to Sremska Mitrovica | 4,701.91 mi (7,567.00 km) |
| Port Huron to Sremski Karlovci | 4,703.85 mi (7,570.12 km) |
| Port Huron to Stara Pazova | 4,722.18 mi (7,599.61 km) |
| Port Huron to Subotica | 4,654.37 mi (7,490.49 km) |
| Port Huron to Surcin | 4,734.68 mi (7,619.73 km) |
| Port Huron to Surdulica | 4,900.81 mi (7,887.09 km) |
| Port Huron to Svilajnac | 4,795.19 mi (7,717.12 km) |
| Port Huron to Svrljig | 4,865.93 mi (7,830.96 km) |
| Port Huron to Temerin | 4,692.44 mi (7,551.76 km) |
| Port Huron to Titel | 4,717.38 mi (7,591.89 km) |
| Port Huron to Topola | 4,773.85 mi (7,682.77 km) |
| Port Huron to Trgoviste | 4,913.69 mi (7,907.81 km) |
| Port Huron to Trstenik | 4,814.43 mi (7,748.08 km) |
