| Port Huron to Nymburk | 4,314.07 mi (6,942.82 km) |
| Port Huron to Olomouc | 4,417.73 mi (7,109.65 km) |
| Port Huron to Opava | 4,426.89 mi (7,124.39 km) |
| Port Huron to Orlova | 4,449.44 mi (7,160.68 km) |
| Port Huron to Ostrava | 4,444.95 mi (7,153.46 km) |
| Port Huron to Ostrov | 4,232.79 mi (6,812.02 km) |
| Port Huron to Otrokovice | 4,443.70 mi (7,151.44 km) |
| Port Huron to Pardubice | 4,346.62 mi (6,995.21 km) |
| Port Huron to Pelhrimov | 4,350.82 mi (7,001.96 km) |
| Port Huron to Pisek | 4,316.16 mi (6,946.19 km) |
| Port Huron to Plzen | 4,270.53 mi (6,872.75 km) |
| Port Huron to Podebrady | 4,318.60 mi (6,950.11 km) |
| Port Huron to Policka | 4,377.27 mi (7,044.54 km) |
| Port Huron to Prachatice | 4,322.33 mi (6,956.12 km) |
| Port Huron to Prague | 4,295.45 mi (6,912.86 km) |
