| Ironton to Rodgau | 4,309.91 mi (6,936.13 km) |
| Ironton to Roding | 4,479.36 mi (7,208.83 km) |
| Ironton to Rodinghausen | 4,223.30 mi (6,796.74 km) |
| Ironton to Roetgen | 4,184.63 mi (6,734.51 km) |
| Ironton to Rommerskirchen | 4,192.16 mi (6,746.63 km) |
| Ironton to Ronnenberg | 4,265.44 mi (6,864.57 km) |
| Ironton to Rosbach vor der Hohe | 4,293.64 mi (6,909.95 km) |
| Ironton to Rosdorf | 4,301.00 mi (6,921.79 km) |
| Ironton to Rosenheim | 4,511.98 mi (7,261.33 km) |
| Ironton to Rosrath | 4,215.47 mi (6,784.14 km) |
| Ironton to Rossdorf | 4,310.05 mi (6,936.35 km) |
| Ironton to Rosstal | 4,408.75 mi (7,095.19 km) |
| Ironton to Rostock | 4,299.22 mi (6,918.92 km) |
| Ironton to Rotenburg an der Fulda | 4,310.80 mi (6,937.56 km) |
| Ironton to Roth | 4,422.14 mi (7,116.74 km) |
