| Port Huron to Ianca | 4,981.27 mi (8,016.58 km) |
| Port Huron to Iasi | 4,888.82 mi (7,867.80 km) |
| Port Huron to Iernut | 4,804.71 mi (7,732.44 km) |
| Port Huron to Ineu | 4,719.76 mi (7,595.72 km) |
| Port Huron to Jibou | 4,732.76 mi (7,616.64 km) |
| Port Huron to Jilava | 4,969.58 mi (7,997.77 km) |
| Port Huron to Jimbolia | 4,707.60 mi (7,576.15 km) |
| Port Huron to Liesti | 4,960.51 mi (7,983.17 km) |
| Port Huron to Lipova | 4,729.40 mi (7,611.23 km) |
| Port Huron to Liteni | 4,835.75 mi (7,782.39 km) |
| Port Huron to Ludus | 4,798.72 mi (7,722.79 km) |
| Port Huron to Lugoj | 4,755.26 mi (7,652.85 km) |
| Port Huron to Lupeni | 4,818.88 mi (7,755.24 km) |
| Port Huron to Magurele | 4,967.05 mi (7,993.70 km) |
| Port Huron to Mangalia | 5,083.89 mi (8,181.73 km) |
