| Barth to Red Bank (New Jersey) | 3,907.67 mi (6,288.79 km) |
| Barth to Red Bank (Tennessee) | 4,584.79 mi (7,378.51 km) |
| Barth to Red Bluff (California) | 5,381.74 mi (8,661.08 km) |
| Barth to Red Hill (South Carolina) | 4,426.81 mi (7,124.26 km) |
| Barth to Red Oak (Texas) | 5,123.99 mi (8,246.27 km) |
| Barth to Red Wing (Minnesota) | 4,322.29 mi (6,956.05 km) |
| Barth to Redan (Georgia) | 4,617.86 mi (7,431.73 km) |
| Barth to Redding (California) | 5,359.66 mi (8,625.53 km) |
| Barth to Redland (Maryland) | 4,081.10 mi (6,567.90 km) |
| Barth to Redlands (California) | 5,640.18 mi (9,076.99 km) |
| Barth to Redmond (Oregon) | 5,103.37 mi (8,213.08 km) |
| Barth to Redmond (Washington) | 4,910.74 mi (7,903.07 km) |
| Barth to Redondo Beach (California) | 5,683.05 mi (9,145.98 km) |
| Barth to Redwood City (California) | 5,548.87 mi (8,930.04 km) |
| Barth to Reedley (California) | 5,539.66 mi (8,915.22 km) |
