| Opelika to Rockville (Maryland) | 638.82 mi (1,028.08 km) |
| Opelika to Rockville Centre (New York) | 852.46 mi (1,371.90 km) |
| Opelika to Rockwall (Texas) | 642.39 mi (1,033.83 km) |
| Opelika to Rocky Mount (North Carolina) | 488.65 mi (786.40 km) |
| Opelika to Rocky Point (New York) | 893.15 mi (1,437.38 km) |
| Opelika to Rocky River (Ohio) | 638.75 mi (1,027.96 km) |
| Opelika to Roessleville (New York) | 937.26 mi (1,508.37 km) |
| Opelika to Rogers (Arkansas) | 559.68 mi (900.71 km) |
| Opelika to Rogers (Minnesota) | 969.98 mi (1,561.04 km) |
| Opelika to Rohnert Park (California) | 2,120.77 mi (3,413.05 km) |
| Opelika to Rolla (Missouri) | 512.47 mi (824.74 km) |
| Opelika to Rolling Meadows (Illinois) | 666.37 mi (1,072.42 km) |
| Opelika to Roma (Texas) | 924.83 mi (1,488.37 km) |
| Opelika to Rome (Georgia) | 111.44 mi (179.34 km) |
| Opelika to Rome (New York) | 905.76 mi (1,457.68 km) |
