| Pikesville to Red Bank (New Jersey) | 154.62 mi (248.84 km) |
| Pikesville to Red Bank (Tennessee) | 557.07 mi (896.52 km) |
| Pikesville to Red Bluff (California) | 2,391.62 mi (3,848.93 km) |
| Pikesville to Red Hill (South Carolina) | 408.30 mi (657.09 km) |
| Pikesville to Red Oak (Texas) | 1,216.00 mi (1,956.96 km) |
| Pikesville to Red Wing (Minnesota) | 890.04 mi (1,432.39 km) |
| Pikesville to Redan (Georgia) | 568.71 mi (915.25 km) |
| Pikesville to Redding (California) | 2,391.52 mi (3,848.79 km) |
| Pikesville to Redland (Maryland) | 29.61 mi (47.65 km) |
| Pikesville to Redlands (California) | 2,252.34 mi (3,624.80 km) |
| Pikesville to Redmond (Oregon) | 2,286.28 mi (3,679.41 km) |
| Pikesville to Redmond (Washington) | 2,310.43 mi (3,718.28 km) |
| Pikesville to Redondo Beach (California) | 2,321.49 mi (3,736.08 km) |
| Pikesville to Redwood City (California) | 2,440.62 mi (3,927.80 km) |
| Pikesville to Reedley (California) | 2,313.77 mi (3,723.65 km) |
