| Pikesville to Rockville (Maryland) | 32.17 mi (51.78 km) |
| Pikesville to Rockville Centre (New York) | 184.47 mi (296.87 km) |
| Pikesville to Rockwall (Texas) | 1,185.19 mi (1,907.37 km) |
| Pikesville to Rocky Mount (North Carolina) | 243.91 mi (392.53 km) |
| Pikesville to Rocky Point (New York) | 225.69 mi (363.22 km) |
| Pikesville to Rocky River (Ohio) | 306.60 mi (493.43 km) |
| Pikesville to Roessleville (New York) | 274.10 mi (441.12 km) |
| Pikesville to Rogers (Arkansas) | 973.75 mi (1,567.10 km) |
| Pikesville to Rogers (Minnesota) | 948.61 mi (1,526.65 km) |
| Pikesville to Rohnert Park (California) | 2,448.11 mi (3,939.86 km) |
| Pikesville to Rolla (Missouri) | 817.50 mi (1,315.64 km) |
| Pikesville to Rolling Meadows (Illinois) | 620.64 mi (998.83 km) |
| Pikesville to Roma (Texas) | 1,566.84 mi (2,521.58 km) |
| Pikesville to Rome (Georgia) | 587.31 mi (945.18 km) |
| Pikesville to Rome (New York) | 272.43 mi (438.44 km) |
