| Blackrock to Security-Widefield (Colorado) | 4,447.06 mi (7,156.86 km) |
| Blackrock to Sedalia (Missouri) | 4,028.81 mi (6,483.74 km) |
| Blackrock to Sedro-Woolley (Washington) | 4,473.12 mi (7,198.78 km) |
| Blackrock to Seguin (Texas) | 4,676.68 mi (7,526.39 km) |
| Blackrock to Selden (New York) | 3,136.66 mi (5,047.96 km) |
| Blackrock to Selma (Alabama) | 4,099.78 mi (6,597.96 km) |
| Blackrock to Selma (California) | 5,066.70 mi (8,154.06 km) |
| Blackrock to Selma (Texas) | 4,690.21 mi (7,548.16 km) |
| Blackrock to Seminole (Florida) | 4,159.81 mi (6,694.57 km) |
| Blackrock to Seven Hills (Ohio) | 3,457.03 mi (5,563.54 km) |
| Blackrock to Seven Oaks (South Carolina) | 3,781.87 mi (6,086.33 km) |
| Blackrock to Severn (Maryland) | 3,361.42 mi (5,409.68 km) |
| Blackrock to Severna Park (Maryland) | 3,358.53 mi (5,405.03 km) |
| Blackrock to Sevierville (Tennessee) | 3,789.85 mi (6,099.17 km) |
| Blackrock to Seymour (Indiana) | 3,734.83 mi (6,010.64 km) |
