| Duchcov to Roy (Utah) | 5,302.50 mi (8,533.55 km) |
| Duchcov to Royal Kunia (Hawaii) | 7,436.19 mi (11,967.39 km) |
| Duchcov to Royal Oak (Michigan) | 4,299.54 mi (6,919.45 km) |
| Duchcov to Royal Palm Beach (Florida) | 4,978.91 mi (8,012.78 km) |
| Duchcov to Royse City (Texas) | 5,267.26 mi (8,476.84 km) |
| Duchcov to Ruskin (Florida) | 5,016.63 mi (8,073.49 km) |
| Duchcov to Russellville (Alabama) | 4,871.44 mi (7,839.83 km) |
| Duchcov to Russellville (Arkansas) | 5,029.60 mi (8,094.37 km) |
| Duchcov to Ruston (Louisiana) | 5,158.02 mi (8,301.04 km) |
| Duchcov to Rutherford (New Jersey) | 4,038.90 mi (6,499.98 km) |
| Duchcov to Rutland (Vermont) | 3,868.87 mi (6,226.34 km) |
| Duchcov to Sabana Grande (Puerto Rico) | 4,856.59 mi (7,815.92 km) |
| Duchcov to Sachse (Texas) | 5,276.76 mi (8,492.13 km) |
| Duchcov to Saco (Maine) | 3,775.07 mi (6,075.40 km) |
| Duchcov to Sacramento (California) | 5,704.00 mi (9,179.71 km) |
