| Blackrock to Smyrna (Delaware) | 3,310.44 mi (5,327.64 km) |
| Blackrock to Smyrna (Georgia) | 3,926.84 mi (6,319.64 km) |
| Blackrock to Smyrna (Tennessee) | 3,903.40 mi (6,281.92 km) |
| Blackrock to Snellville (Georgia) | 3,906.60 mi (6,287.07 km) |
| Blackrock to Snoqualmie (Washington) | 4,517.02 mi (7,269.45 km) |
| Blackrock to Snyder (Texas) | 4,624.56 mi (7,442.51 km) |
| Blackrock to Socastee (South Carolina) | 3,712.80 mi (5,975.18 km) |
| Blackrock to Socorro (Texas) | 4,880.70 mi (7,854.73 km) |
| Blackrock to Soddy-Daisy (Tennessee) | 3,884.57 mi (6,251.61 km) |
| Blackrock to Solana Beach (California) | 5,192.13 mi (8,355.92 km) |
| Blackrock to Soledad (California) | 5,128.44 mi (8,253.43 km) |
| Blackrock to Solon (Ohio) | 3,447.60 mi (5,548.37 km) |
| Blackrock to Somers Point (New Jersey) | 3,268.96 mi (5,260.88 km) |
| Blackrock to Somerset (Kentucky) | 3,773.60 mi (6,073.01 km) |
| Blackrock to Somerset (New Jersey) | 3,211.28 mi (5,168.06 km) |
