| Pikesville to Ridgeland (Mississippi) | 891.73 mi (1,435.11 km) |
| Pikesville to Ridgewood (New Jersey) | 175.46 mi (282.38 km) |
| Pikesville to Rifle (Colorado) | 1,649.10 mi (2,653.97 km) |
| Pikesville to Rincon (Georgia) | 551.84 mi (888.11 km) |
| Pikesville to Ringwood (New Jersey) | 174.51 mi (280.85 km) |
| Pikesville to Río Grande (Puerto Rico) | 1,590.49 mi (2,559.64 km) |
| Pikesville to Rio Grande City (Texas) | 1,559.77 mi (2,510.21 km) |
| Pikesville to Rio Linda (California) | 2,376.43 mi (3,824.50 km) |
| Pikesville to Rio Rancho (New Mexico) | 1,664.11 mi (2,678.13 km) |
| Pikesville to Rio Rico (Arizona) | 1,992.31 mi (3,206.31 km) |
| Pikesville to Ripon (California) | 2,378.52 mi (3,827.86 km) |
| Pikesville to River Edge (New Jersey) | 176.24 mi (283.63 km) |
| Pikesville to River Falls (Wisconsin) | 897.24 mi (1,443.97 km) |
| Pikesville to River Forest (Illinois) | 607.51 mi (977.69 km) |
| Pikesville to River Grove (Illinois) | 608.89 mi (979.91 km) |
