| Opelika to Robertsville (New Jersey) | 811.45 mi (1,305.90 km) |
| Opelika to Robinson (Texas) | 692.38 mi (1,114.27 km) |
| Opelika to Robstown (Texas) | 806.49 mi (1,297.92 km) |
| Opelika to Rochester (Michigan) | 703.52 mi (1,132.21 km) |
| Opelika to Rochester (Minnesota) | 872.97 mi (1,404.90 km) |
| Opelika to Rochester (New Hampshire) | 1,071.85 mi (1,724.98 km) |
| Opelika to Rochester (New York) | 839.31 mi (1,350.74 km) |
| Opelika to Rochester Hills (Michigan) | 701.68 mi (1,129.24 km) |
| Opelika to Rock Hill (South Carolina) | 295.38 mi (475.37 km) |
| Opelika to Rock Island (Illinois) | 672.56 mi (1,082.38 km) |
| Opelika to Rock Springs (Wyoming) | 1,444.85 mi (2,325.27 km) |
| Opelika to Rockford (Illinois) | 693.14 mi (1,115.49 km) |
| Opelika to Rockledge (Florida) | 407.70 mi (656.13 km) |
| Opelika to Rocklin (California) | 2,042.56 mi (3,287.18 km) |
| Opelika to Rockport (Texas) | 766.67 mi (1,233.83 km) |
