| Port Huron to Pyrzyce | 4,193.42 mi (6,748.66 km) |
| Port Huron to Pyskowice | 4,433.58 mi (7,135.16 km) |
| Port Huron to Raciborz | 4,432.54 mi (7,133.48 km) |
| Port Huron to Radom | 4,478.18 mi (7,206.93 km) |
| Port Huron to Radomsko | 4,434.06 mi (7,135.93 km) |
| Port Huron to Radzionkow Nowy | 4,442.94 mi (7,150.22 km) |
| Port Huron to Radzymin | 4,435.95 mi (7,138.97 km) |
| Port Huron to Radzyn Podlaski | 4,511.08 mi (7,259.89 km) |
| Port Huron to Rawa Mazowiecka | 4,432.20 mi (7,132.94 km) |
| Port Huron to Rawicz | 4,321.78 mi (6,955.23 km) |
| Port Huron to Reda | 4,251.98 mi (6,842.90 km) |
| Port Huron to Rogozno | 4,281.12 mi (6,889.79 km) |
| Port Huron to Ropczyce | 4,552.24 mi (7,326.12 km) |
| Port Huron to Ruda Slaska | 4,446.94 mi (7,156.66 km) |
| Port Huron to Rumia | 4,255.61 mi (6,848.74 km) |
