| Port Huron to Red Bank (New Jersey) | 468.60 mi (754.13 km) |
| Port Huron to Red Bank (Tennessee) | 564.90 mi (909.11 km) |
| Port Huron to Red Bluff (California) | 2,047.07 mi (3,294.44 km) |
| Port Huron to Red Hill (South Carolina) | 662.34 mi (1,065.94 km) |
| Port Huron to Red Oak (Texas) | 1,063.39 mi (1,711.36 km) |
| Port Huron to Red Wing (Minnesota) | 518.59 mi (834.60 km) |
| Port Huron to Redan (Georgia) | 645.37 mi (1,038.63 km) |
| Port Huron to Redding (California) | 2,044.62 mi (3,290.50 km) |
| Port Huron to Redland (Maryland) | 382.89 mi (616.20 km) |
| Port Huron to Redlands (California) | 1,960.35 mi (3,154.87 km) |
| Port Huron to Redmond (Oregon) | 1,921.72 mi (3,092.71 km) |
| Port Huron to Redmond (Washington) | 1,932.67 mi (3,110.34 km) |
| Port Huron to Redondo Beach (California) | 2,027.34 mi (3,262.68 km) |
| Port Huron to Redwood City (California) | 2,111.97 mi (3,398.88 km) |
| Port Huron to Reedley (California) | 1,996.64 mi (3,213.29 km) |
