| Sigmaringen to Red Bank (New Jersey) | 3,953.92 mi (6,363.21 km) |
| Sigmaringen to Red Bank (Tennessee) | 4,653.76 mi (7,489.51 km) |
| Sigmaringen to Red Bluff (California) | 5,653.84 mi (9,098.98 km) |
| Sigmaringen to Red Hill (South Carolina) | 4,454.79 mi (7,169.29 km) |
| Sigmaringen to Red Oak (Texas) | 5,239.41 mi (8,432.01 km) |
| Sigmaringen to Red Wing (Minnesota) | 4,481.16 mi (7,211.74 km) |
| Sigmaringen to Redan (Georgia) | 4,672.90 mi (7,520.31 km) |
| Sigmaringen to Redding (California) | 5,633.51 mi (9,066.25 km) |
| Sigmaringen to Redland (Maryland) | 4,134.00 mi (6,653.04 km) |
| Sigmaringen to Redlands (California) | 5,868.24 mi (9,444.02 km) |
| Sigmaringen to Redmond (Oregon) | 5,383.56 mi (8,664.00 km) |
| Sigmaringen to Redmond (Washington) | 5,205.25 mi (8,377.03 km) |
| Sigmaringen to Redondo Beach (California) | 5,916.51 mi (9,521.71 km) |
| Sigmaringen to Redwood City (California) | 5,812.75 mi (9,354.71 km) |
| Sigmaringen to Reedley (California) | 5,787.53 mi (9,314.13 km) |
