| Port Huron to Slatina | 4,902.81 mi (7,890.31 km) |
| Port Huron to Slobozia | 5,004.71 mi (8,054.30 km) |
| Port Huron to Sovata | 4,827.96 mi (7,769.85 km) |
| Port Huron to Strehaia | 4,851.12 mi (7,807.13 km) |
| Port Huron to Suceava | 4,820.12 mi (7,757.24 km) |
| Port Huron to Targoviste | 4,919.39 mi (7,917.00 km) |
| Port Huron to Targu Frumos | 4,866.84 mi (7,832.42 km) |
| Port Huron to Targu Jiu | 4,835.11 mi (7,781.36 km) |
| Port Huron to Targu Lapus | 4,746.02 mi (7,637.98 km) |
| Port Huron to Targu Neamt | 4,844.62 mi (7,796.66 km) |
| Port Huron to Targu Ocna | 4,896.98 mi (7,880.93 km) |
| Port Huron to Targu Secuiesc | 4,893.46 mi (7,875.27 km) |
| Port Huron to Targu-Mures | 4,812.19 mi (7,744.46 km) |
| Port Huron to Tarnaveni | 4,811.71 mi (7,743.69 km) |
| Port Huron to Tasnad | 4,699.62 mi (7,563.31 km) |
