| Duchcov to Robertsville (New Jersey) | 4,068.49 mi (6,547.59 km) |
| Duchcov to Robinson (Texas) | 5,379.43 mi (8,657.36 km) |
| Duchcov to Robstown (Texas) | 5,600.96 mi (9,013.87 km) |
| Duchcov to Rochester (Michigan) | 4,289.67 mi (6,903.56 km) |
| Duchcov to Rochester (Minnesota) | 4,548.44 mi (7,320.01 km) |
| Duchcov to Rochester (New Hampshire) | 3,805.62 mi (6,124.56 km) |
| Duchcov to Rochester (New York) | 4,064.29 mi (6,540.85 km) |
| Duchcov to Rochester Hills (Michigan) | 4,292.06 mi (6,907.41 km) |
| Duchcov to Rock Hill (South Carolina) | 4,592.19 mi (7,390.41 km) |
| Duchcov to Rock Island (Illinois) | 4,614.95 mi (7,427.04 km) |
| Duchcov to Rock Springs (Wyoming) | 5,198.76 mi (8,366.59 km) |
| Duchcov to Rockford (Illinois) | 4,521.95 mi (7,277.38 km) |
| Duchcov to Rockledge (Florida) | 4,916.62 mi (7,912.54 km) |
| Duchcov to Rocklin (California) | 5,683.87 mi (9,147.31 km) |
| Duchcov to Rockport (Texas) | 5,566.10 mi (8,957.78 km) |
