| Port Huron to Reidsville (North Carolina) | 482.02 mi (775.73 km) |
| Port Huron to Reisterstown (Maryland) | 380.43 mi (612.25 km) |
| Port Huron to Rendon (Texas) | 1,078.48 mi (1,735.64 km) |
| Port Huron to Reno (Nevada) | 1,941.07 mi (3,123.85 km) |
| Port Huron to Renton (Washington) | 1,937.45 mi (3,118.02 km) |
| Port Huron to Republic (Missouri) | 707.10 mi (1,137.97 km) |
| Port Huron to Reston (Virginia) | 384.84 mi (619.35 km) |
| Port Huron to Revere (Massachusetts) | 581.48 mi (935.80 km) |
| Port Huron to Rexburg (Idaho) | 1,466.91 mi (2,360.76 km) |
| Port Huron to Reynoldsburg (Ohio) | 209.70 mi (337.48 km) |
| Port Huron to Rialto (California) | 1,969.10 mi (3,168.96 km) |
| Port Huron to Richardson (Texas) | 1,037.75 mi (1,670.09 km) |
| Port Huron to Richfield (Minnesota) | 554.79 mi (892.85 km) |
| Port Huron to Richfield (Wisconsin) | 293.16 mi (471.79 km) |
| Port Huron to Richland (Washington) | 1,809.85 mi (2,912.68 km) |
