| Blackburn to Rosemont (California) | 5,098.15 mi (8,204.68 km) |
| Blackburn to Rosemount (Minnesota) | 3,849.01 mi (6,194.38 km) |
| Blackburn to Rosenberg (Texas) | 4,727.85 mi (7,608.74 km) |
| Blackburn to Roseville (California) | 5,084.17 mi (8,182.18 km) |
| Blackburn to Roseville (Michigan) | 3,585.24 mi (5,769.88 km) |
| Blackburn to Roseville (Minnesota) | 3,839.15 mi (6,178.51 km) |
| Blackburn to Rossmoor (California) | 5,274.67 mi (8,488.75 km) |
| Blackburn to Rossville (Maryland) | 3,482.09 mi (5,603.88 km) |
| Blackburn to Roswell (Georgia) | 4,050.27 mi (6,518.29 km) |
| Blackburn to Roswell (New Mexico) | 4,842.80 mi (7,793.74 km) |
| Blackburn to Round Lake (Illinois) | 3,785.81 mi (6,092.67 km) |
| Blackburn to Round Lake Beach (Illinois) | 3,783.19 mi (6,088.46 km) |
| Blackburn to Round Rock (Texas) | 4,745.18 mi (7,636.64 km) |
| Blackburn to Rowland Heights (California) | 5,258.15 mi (8,462.17 km) |
| Blackburn to Rowlett (Texas) | 4,576.31 mi (7,364.86 km) |
