| Duchcov to Romeoville (Illinois) | 4,519.90 mi (7,274.08 km) |
| Duchcov to Romulus (Michigan) | 4,321.08 mi (6,954.10 km) |
| Duchcov to Ronkonkoma (New York) | 4,001.39 mi (6,439.61 km) |
| Duchcov to Roosevelt (New York) | 4,025.03 mi (6,477.66 km) |
| Duchcov to Rosamond (California) | 5,847.43 mi (9,410.53 km) |
| Duchcov to Rosaryville (Maryland) | 4,241.25 mi (6,825.63 km) |
| Duchcov to Roscoe (Illinois) | 4,511.62 mi (7,260.75 km) |
| Duchcov to Rose Hill (Virginia) | 4,251.26 mi (6,841.75 km) |
| Duchcov to Roseburg (Oregon) | 5,459.83 mi (8,786.74 km) |
| Duchcov to Rosedale (California) | 5,841.87 mi (9,401.59 km) |
| Duchcov to Rosedale (Maryland) | 4,202.25 mi (6,762.87 km) |
| Duchcov to Roselle (Illinois) | 4,501.82 mi (7,244.98 km) |
| Duchcov to Roselle (New Jersey) | 4,052.65 mi (6,522.11 km) |
| Duchcov to Roselle Park (New Jersey) | 4,052.33 mi (6,521.59 km) |
| Duchcov to Rosemead (California) | 5,892.31 mi (9,482.75 km) |
