| Blackburn to Rockville (Maryland) | 3,521.63 mi (5,667.51 km) |
| Blackburn to Rockville Centre (New York) | 3,309.90 mi (5,326.77 km) |
| Blackburn to Rockwall (Texas) | 4,572.07 mi (7,358.03 km) |
| Blackburn to Rocky Mount (North Carolina) | 3,696.04 mi (5,948.20 km) |
| Blackburn to Rocky Point (New York) | 3,269.87 mi (5,262.35 km) |
| Blackburn to Rocky River (Ohio) | 3,592.31 mi (5,781.26 km) |
| Blackburn to Roessleville (New York) | 3,225.19 mi (5,190.44 km) |
| Blackburn to Rogers (Arkansas) | 4,309.57 mi (6,935.58 km) |
| Blackburn to Rogers (Minnesota) | 3,845.71 mi (6,189.08 km) |
| Blackburn to Rohnert Park (California) | 5,148.63 mi (8,285.92 km) |
| Blackburn to Rolla (Missouri) | 4,137.57 mi (6,658.78 km) |
| Blackburn to Rolling Meadows (Illinois) | 3,795.70 mi (6,108.60 km) |
| Blackburn to Roma (Texas) | 5,018.00 mi (8,075.69 km) |
| Blackburn to Rome (Georgia) | 4,071.56 mi (6,552.55 km) |
| Blackburn to Rome (New York) | 3,267.81 mi (5,259.03 km) |
