| Delaware to Rodgau | 4,242.31 mi (6,827.34 km) |
| Delaware to Roding | 4,410.80 mi (7,098.50 km) |
| Delaware to Rodinghausen | 4,151.95 mi (6,681.92 km) |
| Delaware to Roetgen | 4,117.53 mi (6,626.52 km) |
| Delaware to Rommerskirchen | 4,124.05 mi (6,637.02 km) |
| Delaware to Ronnenberg | 4,193.31 mi (6,748.49 km) |
| Delaware to Rosbach vor der Hohe | 4,225.65 mi (6,800.53 km) |
| Delaware to Rosdorf | 4,230.16 mi (6,807.78 km) |
| Delaware to Rosenheim | 4,445.97 mi (7,155.10 km) |
| Delaware to Rosrath | 4,147.32 mi (6,674.46 km) |
| Delaware to Rossdorf | 4,242.81 mi (6,828.14 km) |
| Delaware to Rosstal | 4,340.93 mi (6,986.06 km) |
| Delaware to Rostock | 4,222.69 mi (6,795.77 km) |
| Delaware to Rotenburg an der Fulda | 4,240.94 mi (6,825.14 km) |
| Delaware to Roth | 4,354.45 mi (7,007.81 km) |
