| Duchcov to River Ridge (Louisiana) | 5,205.02 mi (8,376.67 km) |
| Duchcov to Riverbank (California) | 5,742.94 mi (9,242.37 km) |
| Duchcov to Riverdale (Georgia) | 4,793.53 mi (7,714.44 km) |
| Duchcov to Riverdale (Illinois) | 4,502.92 mi (7,246.74 km) |
| Duchcov to Riverside (California) | 5,881.46 mi (9,465.30 km) |
| Duchcov to Riverside (Ohio) | 4,468.74 mi (7,191.74 km) |
| Duchcov to Riverton (Utah) | 5,338.50 mi (8,591.49 km) |
| Duchcov to Riverton (Wyoming) | 5,092.71 mi (8,195.92 km) |
| Duchcov to Riverview (Florida) | 5,005.82 mi (8,056.08 km) |
| Duchcov to Riverview (Michigan) | 4,317.35 mi (6,948.10 km) |
| Duchcov to Riviera Beach (Florida) | 4,968.75 mi (7,996.44 km) |
| Duchcov to Riviera Beach (Maryland) | 4,210.72 mi (6,776.50 km) |
| Duchcov to Roanoke (Virginia) | 4,434.90 mi (7,137.28 km) |
| Duchcov to Roanoke Rapids (North Carolina) | 4,385.48 mi (7,057.74 km) |
| Duchcov to Robbinsdale (Minnesota) | 4,524.55 mi (7,281.56 km) |
