| Columbia to Rosemont (California) | 2,255.92 mi (3,630.55 km) |
| Columbia to Rosemount (Minnesota) | 982.28 mi (1,580.82 km) |
| Columbia to Rosenberg (Texas) | 928.38 mi (1,494.08 km) |
| Columbia to Roseville (California) | 2,252.77 mi (3,625.48 km) |
| Columbia to Roseville (Michigan) | 595.44 mi (958.27 km) |
| Columbia to Roseville (Minnesota) | 998.47 mi (1,606.88 km) |
| Columbia to Rossmoor (California) | 2,119.79 mi (3,411.47 km) |
| Columbia to Rossville (Maryland) | 441.70 mi (710.85 km) |
| Columbia to Roswell (Georgia) | 197.39 mi (317.67 km) |
| Columbia to Roswell (New Mexico) | 1,355.75 mi (2,181.87 km) |
| Columbia to Round Lake (Illinois) | 693.87 mi (1,116.67 km) |
| Columbia to Round Lake Beach (Illinois) | 695.09 mi (1,118.65 km) |
| Columbia to Round Rock (Texas) | 1,007.34 mi (1,621.16 km) |
| Columbia to Rowland Heights (California) | 2,106.75 mi (3,390.48 km) |
| Columbia to Rowlett (Texas) | 904.10 mi (1,455.01 km) |
