| Port Huron to Buhusi | 4,879.45 mi (7,852.71 km) |
| Port Huron to Bumbesti-Jiu | 4,832.40 mi (7,777.00 km) |
| Port Huron to Busteni | 4,899.46 mi (7,884.92 km) |
| Port Huron to Buzau | 4,957.30 mi (7,978.01 km) |
| Port Huron to Cajvana | 4,807.81 mi (7,737.42 km) |
| Port Huron to Calafat | 4,871.41 mi (7,839.78 km) |
| Port Huron to Calan | 4,793.41 mi (7,714.25 km) |
| Port Huron to Calarasi | 5,020.95 mi (8,080.44 km) |
| Port Huron to Campia Turzii | 4,787.78 mi (7,705.18 km) |
| Port Huron to Campina | 4,919.90 mi (7,917.82 km) |
| Port Huron to Campulung | 4,888.59 mi (7,867.42 km) |
| Port Huron to Campulung Moldovenesc | 4,801.41 mi (7,727.13 km) |
| Port Huron to Caracal | 4,916.92 mi (7,913.02 km) |
| Port Huron to Caransebes | 4,778.92 mi (7,690.93 km) |
| Port Huron to Carei | 4,686.23 mi (7,541.76 km) |
