| Blackrock to Somersworth (New Hampshire) | 2,947.66 mi (4,743.80 km) |
| Blackrock to Somerton (Arizona) | 5,127.62 mi (8,252.10 km) |
| Blackrock to Somerville (Massachusetts) | 2,992.63 mi (4,816.17 km) |
| Blackrock to Somerville (New Jersey) | 3,212.91 mi (5,170.68 km) |
| Blackrock to Sonoma (California) | 5,057.20 mi (8,138.78 km) |
| Blackrock to Soquel (California) | 5,115.53 mi (8,232.66 km) |
| Blackrock to South Bend (Indiana) | 3,621.53 mi (5,828.29 km) |
| Blackrock to South Bradenton (Florida) | 4,171.18 mi (6,712.87 km) |
| Blackrock to South Burlington (Vermont) | 2,990.61 mi (4,812.92 km) |
| Blackrock to South Charleston (West Virginia) | 3,598.89 mi (5,791.86 km) |
| Blackrock to South Daytona (Florida) | 4,019.54 mi (6,468.82 km) |
| Blackrock to South El Monte (California) | 5,158.78 mi (8,302.26 km) |
| Blackrock to South Elgin (Illinois) | 3,684.87 mi (5,930.22 km) |
| Blackrock to South Euclid (Ohio) | 3,444.69 mi (5,543.69 km) |
| Blackrock to South Farmingdale (New York) | 3,159.59 mi (5,084.87 km) |
