| Port Huron to Rancho Cordova (California) | 2,035.09 mi (3,275.17 km) |
| Port Huron to Rancho Cucamonga (California) | 1,977.78 mi (3,182.93 km) |
| Port Huron to Rancho Mirage (California) | 1,932.67 mi (3,110.33 km) |
| Port Huron to Rancho Palos Verdes (California) | 2,030.09 mi (3,267.12 km) |
| Port Huron to Rancho San Diego (California) | 1,991.96 mi (3,205.74 km) |
| Port Huron to Rancho Santa Margarita (California) | 1,995.86 mi (3,212.02 km) |
| Port Huron to Randallstown (Maryland) | 384.71 mi (619.13 km) |
| Port Huron to Rantoul (Illinois) | 348.26 mi (560.47 km) |
| Port Huron to Rapid City (South Dakota) | 1,041.02 mi (1,675.36 km) |
| Port Huron to Ravenna (Ohio) | 139.98 mi (225.27 km) |
| Port Huron to Raymondville (Texas) | 1,430.00 mi (2,301.36 km) |
| Port Huron to Raymore (Missouri) | 690.15 mi (1,110.68 km) |
| Port Huron to Raytown (Missouri) | 684.19 mi (1,101.10 km) |
| Port Huron to Reading (Ohio) | 279.62 mi (450.00 km) |
| Port Huron to Reading (Pennsylvania) | 382.36 mi (615.35 km) |
