| Duncan to Rodgau | 5,089.06 mi (8,190.05 km) |
| Duncan to Roding | 5,253.79 mi (8,455.16 km) |
| Duncan to Rodinghausen | 4,987.47 mi (8,026.56 km) |
| Duncan to Roetgen | 4,966.37 mi (7,992.60 km) |
| Duncan to Rommerskirchen | 4,969.93 mi (7,998.32 km) |
| Duncan to Ronnenberg | 5,025.96 mi (8,088.50 km) |
| Duncan to Rosbach vor der Hohe | 5,071.33 mi (8,161.52 km) |
| Duncan to Rosdorf | 5,066.87 mi (8,154.34 km) |
| Duncan to Rosenheim | 5,296.38 mi (8,523.71 km) |
| Duncan to Rosrath | 4,992.93 mi (8,035.35 km) |
| Duncan to Rossdorf | 5,090.62 mi (8,192.57 km) |
| Duncan to Rosstal | 5,186.56 mi (8,346.96 km) |
| Duncan to Rostock | 5,039.17 mi (8,109.77 km) |
| Duncan to Rotenburg an der Fulda | 5,080.78 mi (8,176.72 km) |
| Duncan to Roth | 5,200.39 mi (8,369.23 km) |
