| Difficult Run to Rodgau | 4,081.03 mi (6,567.78 km) |
| Difficult Run to Roding | 4,251.80 mi (6,842.61 km) |
| Difficult Run to Rodinghausen | 4,001.31 mi (6,439.49 km) |
| Difficult Run to Roetgen | 3,955.15 mi (6,365.20 km) |
| Difficult Run to Rommerskirchen | 3,964.39 mi (6,380.08 km) |
| Difficult Run to Ronnenberg | 4,044.83 mi (6,509.52 km) |
| Difficult Run to Rosbach vor der Hohe | 4,065.47 mi (6,542.74 km) |
| Difficult Run to Rosdorf | 4,077.91 mi (6,562.76 km) |
| Difficult Run to Rosenheim | 4,279.99 mi (6,887.98 km) |
| Difficult Run to Rosrath | 3,987.73 mi (6,417.64 km) |
| Difficult Run to Rossdorf | 4,080.54 mi (6,566.99 km) |
| Difficult Run to Rosstal | 4,180.02 mi (6,727.10 km) |
| Difficult Run to Rostock | 4,087.17 mi (6,577.67 km) |
| Difficult Run to Rotenburg an der Fulda | 4,085.90 mi (6,575.61 km) |
| Difficult Run to Roth | 4,193.17 mi (6,748.25 km) |
