| Blackrock to Ridgeland (Mississippi) | 4,223.38 mi (6,796.87 km) |
| Blackrock to Ridgewood (New Jersey) | 3,174.71 mi (5,109.21 km) |
| Blackrock to Rifle (Colorado) | 4,512.27 mi (7,261.80 km) |
| Blackrock to Rincon (Georgia) | 3,871.90 mi (6,231.23 km) |
| Blackrock to Ringwood (New Jersey) | 3,175.75 mi (5,110.88 km) |
| Blackrock to Río Grande (Puerto Rico) | 3,963.63 mi (6,378.84 km) |
| Blackrock to Rio Grande City (Texas) | 4,880.47 mi (7,854.35 km) |
| Blackrock to Rio Linda (California) | 5,003.50 mi (8,052.36 km) |
| Blackrock to Rio Rancho (New Mexico) | 4,700.46 mi (7,564.67 km) |
| Blackrock to Rio Rico (Arizona) | 5,059.31 mi (8,142.17 km) |
| Blackrock to Ripon (California) | 5,047.79 mi (8,123.63 km) |
| Blackrock to River Edge (New Jersey) | 3,174.17 mi (5,108.33 km) |
| Blackrock to River Falls (Wisconsin) | 3,711.23 mi (5,972.65 km) |
| Blackrock to River Forest (Illinois) | 3,670.57 mi (5,907.21 km) |
| Blackrock to River Grove (Illinois) | 3,669.91 mi (5,906.15 km) |
