| Blackburn to Somersworth (New Hampshire) | 3,086.75 mi (4,967.65 km) |
| Blackburn to Somerton (Arizona) | 5,233.97 mi (8,423.25 km) |
| Blackburn to Somerville (Massachusetts) | 3,132.70 mi (5,041.59 km) |
| Blackburn to Somerville (New Jersey) | 3,352.54 mi (5,395.39 km) |
| Blackburn to Sonoma (California) | 5,145.20 mi (8,280.40 km) |
| Blackburn to Soquel (California) | 5,205.93 mi (8,378.14 km) |
| Blackburn to South Bend (Indiana) | 3,749.49 mi (6,034.22 km) |
| Blackburn to South Bradenton (Florida) | 4,316.80 mi (6,947.22 km) |
| Blackburn to South Burlington (Vermont) | 3,126.13 mi (5,031.01 km) |
| Blackburn to South Charleston (West Virginia) | 3,735.29 mi (6,011.37 km) |
| Blackburn to South Daytona (Florida) | 4,165.05 mi (6,703.00 km) |
| Blackburn to South El Monte (California) | 5,258.61 mi (8,462.92 km) |
| Blackburn to South Elgin (Illinois) | 3,810.38 mi (6,132.22 km) |
| Blackburn to South Euclid (Ohio) | 3,577.27 mi (5,757.06 km) |
| Blackburn to South Farmingdale (New York) | 3,299.94 mi (5,310.74 km) |
