| Upper Grand Lagoon to Rodgau | 4,843.83 mi (7,795.39 km) |
| Upper Grand Lagoon to Roding | 5,015.11 mi (8,071.04 km) |
| Upper Grand Lagoon to Rodinghausen | 4,767.20 mi (7,672.07 km) |
| Upper Grand Lagoon to Roetgen | 4,717.77 mi (7,592.51 km) |
| Upper Grand Lagoon to Rommerskirchen | 4,727.89 mi (7,608.80 km) |
| Upper Grand Lagoon to Ronnenberg | 4,811.16 mi (7,742.81 km) |
| Upper Grand Lagoon to Rosbach vor der Hohe | 4,828.65 mi (7,770.96 km) |
| Upper Grand Lagoon to Rosdorf | 4,843.34 mi (7,794.61 km) |
| Upper Grand Lagoon to Rosenheim | 5,040.77 mi (8,112.33 km) |
| Upper Grand Lagoon to Rosrath | 4,751.22 mi (7,646.35 km) |
| Upper Grand Lagoon to Rossdorf | 4,843.00 mi (7,794.06 km) |
| Upper Grand Lagoon to Rosstal | 4,942.81 mi (7,954.68 km) |
| Upper Grand Lagoon to Rostock | 4,855.45 mi (7,814.09 km) |
| Upper Grand Lagoon to Rotenburg an der Fulda | 4,850.59 mi (7,806.27 km) |
| Upper Grand Lagoon to Roth | 4,955.80 mi (7,975.60 km) |
