| Martha Lake to Rodgau | 5,076.40 mi (8,169.67 km) |
| Martha Lake to Roding | 5,207.89 mi (8,381.29 km) |
| Martha Lake to Rodinghausen | 4,936.18 mi (7,944.01 km) |
| Martha Lake to Roetgen | 4,975.66 mi (8,007.55 km) |
| Martha Lake to Rommerskirchen | 4,965.30 mi (7,990.87 km) |
| Martha Lake to Ronnenberg | 4,958.77 mi (7,980.37 km) |
| Martha Lake to Rosbach vor der Hohe | 5,055.59 mi (8,136.18 km) |
| Martha Lake to Rosdorf | 5,012.45 mi (8,066.76 km) |
| Martha Lake to Rosenheim | 5,280.39 mi (8,497.97 km) |
| Martha Lake to Rosrath | 4,984.79 mi (8,022.25 km) |
| Martha Lake to Rossdorf | 5,082.70 mi (8,179.81 km) |
| Martha Lake to Rosstal | 5,159.11 mi (8,302.79 km) |
| Martha Lake to Rostock | 4,907.42 mi (7,897.73 km) |
| Martha Lake to Rotenburg an der Fulda | 5,038.26 mi (8,108.30 km) |
| Martha Lake to Roth | 5,173.02 mi (8,325.17 km) |
