| Blackburn to Romeoville (Illinois) | 3,819.74 mi (6,147.27 km) |
| Blackburn to Romulus (Michigan) | 3,614.63 mi (5,817.19 km) |
| Blackburn to Ronkonkoma (New York) | 3,283.28 mi (5,283.92 km) |
| Blackburn to Roosevelt (New York) | 3,307.05 mi (5,322.18 km) |
| Blackburn to Rosamond (California) | 5,216.73 mi (8,395.51 km) |
| Blackburn to Rosaryville (Maryland) | 3,523.52 mi (5,670.56 km) |
| Blackburn to Roscoe (Illinois) | 3,815.05 mi (6,139.72 km) |
| Blackburn to Rose Hill (Virginia) | 3,533.70 mi (5,686.94 km) |
| Blackburn to Roseburg (Oregon) | 4,882.11 mi (7,856.99 km) |
| Blackburn to Rosedale (California) | 5,217.17 mi (8,396.22 km) |
| Blackburn to Rosedale (Maryland) | 3,484.77 mi (5,608.19 km) |
| Blackburn to Roselle (Illinois) | 3,802.45 mi (6,119.46 km) |
| Blackburn to Roselle (New Jersey) | 3,334.98 mi (5,367.13 km) |
| Blackburn to Roselle Park (New Jersey) | 3,334.67 mi (5,366.63 km) |
| Blackburn to Rosemead (California) | 5,258.55 mi (8,462.82 km) |
