| Blackburn to River Ridge (Louisiana) | 4,489.68 mi (7,225.44 km) |
| Blackburn to Riverbank (California) | 5,133.87 mi (8,262.17 km) |
| Blackburn to Riverdale (Georgia) | 4,076.53 mi (6,560.54 km) |
| Blackburn to Riverdale (Illinois) | 3,801.97 mi (6,118.68 km) |
| Blackburn to Riverside (California) | 5,244.39 mi (8,440.03 km) |
| Blackburn to Riverside (Ohio) | 3,758.83 mi (6,049.25 km) |
| Blackburn to Riverton (Utah) | 4,700.95 mi (7,565.45 km) |
| Blackburn to Riverton (Wyoming) | 4,450.96 mi (7,163.13 km) |
| Blackburn to Riverview (Florida) | 4,286.72 mi (6,898.81 km) |
| Blackburn to Riverview (Michigan) | 3,610.55 mi (5,810.62 km) |
| Blackburn to Riviera Beach (Florida) | 4,250.88 mi (6,841.13 km) |
| Blackburn to Riviera Beach (Maryland) | 3,493.12 mi (5,621.64 km) |
| Blackburn to Roanoke (Virginia) | 3,717.86 mi (5,983.32 km) |
| Blackburn to Roanoke Rapids (North Carolina) | 3,666.79 mi (5,901.14 km) |
| Blackburn to Robbinsdale (Minnesota) | 3,844.89 mi (6,187.75 km) |
