| Port Huron to Prelouc | 4,338.66 mi (6,982.40 km) |
| Port Huron to Prerov | 4,430.64 mi (7,130.43 km) |
| Port Huron to Pribram | 4,296.09 mi (6,913.90 km) |
| Port Huron to Prostejov | 4,417.70 mi (7,109.59 km) |
| Port Huron to Rakovnik | 4,269.71 mi (6,871.43 km) |
| Port Huron to Ricany | 4,307.71 mi (6,932.59 km) |
| Port Huron to Rokycany | 4,278.71 mi (6,885.92 km) |
| Port Huron to Roudnice nad Labem | 4,276.37 mi (6,882.16 km) |
| Port Huron to Roznov pod Radhostem | 4,455.35 mi (7,170.19 km) |
| Port Huron to Roztoky | 4,291.79 mi (6,906.97 km) |
| Port Huron to Rumburk | 4,266.43 mi (6,866.15 km) |
| Port Huron to Rychnov nad Kneznou | 4,359.45 mi (7,015.86 km) |
| Port Huron to Slany | 4,277.66 mi (6,884.22 km) |
| Port Huron to Sokolov | 4,226.59 mi (6,802.04 km) |
| Port Huron to Sternberk | 4,413.83 mi (7,103.38 km) |
