| Duchcov to Red Bank (New Jersey) | 4,059.24 mi (6,532.72 km) |
| Duchcov to Red Bank (Tennessee) | 4,748.29 mi (7,641.63 km) |
| Duchcov to Red Bluff (California) | 5,623.35 mi (9,049.90 km) |
| Duchcov to Red Hill (South Carolina) | 4,570.87 mi (7,356.11 km) |
| Duchcov to Red Oak (Texas) | 5,308.81 mi (8,543.70 km) |
| Duchcov to Red Wing (Minnesota) | 4,523.50 mi (7,279.87 km) |
| Duchcov to Redan (Georgia) | 4,775.04 mi (7,684.69 km) |
| Duchcov to Redding (California) | 5,601.74 mi (9,015.12 km) |
| Duchcov to Redland (Maryland) | 4,236.18 mi (6,817.47 km) |
| Duchcov to Redlands (California) | 5,868.45 mi (9,444.36 km) |
| Duchcov to Redmond (Oregon) | 5,346.99 mi (8,605.15 km) |
| Duchcov to Redmond (Washington) | 5,158.04 mi (8,301.06 km) |
| Duchcov to Redondo Beach (California) | 5,913.14 mi (9,516.28 km) |
| Duchcov to Redwood City (California) | 5,788.25 mi (9,315.29 km) |
| Duchcov to Reedley (California) | 5,774.18 mi (9,292.65 km) |
