| Pikesville to Rosemont (California) | 2,374.56 mi (3,821.48 km) |
| Pikesville to Rosemount (Minnesota) | 915.19 mi (1,472.86 km) |
| Pikesville to Rosenberg (Texas) | 1,279.94 mi (2,059.87 km) |
| Pikesville to Roseville (California) | 2,368.56 mi (3,811.83 km) |
| Pikesville to Roseville (Michigan) | 390.07 mi (627.76 km) |
| Pikesville to Roseville (Minnesota) | 925.22 mi (1,489.00 km) |
| Pikesville to Rossmoor (California) | 2,307.48 mi (3,713.53 km) |
| Pikesville to Rossville (Maryland) | 12.24 mi (19.69 km) |
| Pikesville to Roswell (Georgia) | 561.88 mi (904.25 km) |
| Pikesville to Roswell (New Mexico) | 1,595.72 mi (2,568.06 km) |
| Pikesville to Round Lake (Illinois) | 629.25 mi (1,012.69 km) |
| Pikesville to Round Lake Beach (Illinois) | 628.68 mi (1,011.76 km) |
| Pikesville to Round Rock (Texas) | 1,331.10 mi (2,142.19 km) |
| Pikesville to Rowland Heights (California) | 2,292.73 mi (3,689.79 km) |
| Pikesville to Rowlett (Texas) | 1,190.96 mi (1,916.66 km) |
