| Boom to Roding | 383.39 mi (617.00 km) |
| Boom to Rodinghausen | 193.99 mi (312.20 km) |
| Boom to Roetgen | 85.36 mi (137.38 km) |
| Boom to Rommerskirchen | 101.01 mi (162.55 km) |
| Boom to Ronnenberg | 241.98 mi (389.42 km) |
| Boom to Rosbach vor der Hohe | 197.26 mi (317.46 km) |
| Boom to Rosdorf | 240.75 mi (387.45 km) |
| Boom to Rosenheim | 413.83 mi (666.00 km) |
| Boom to Rosrath | 123.14 mi (198.17 km) |
| Boom to Rossdorf | 210.70 mi (339.10 km) |
| Boom to Rosstal | 310.42 mi (499.58 km) |
| Boom to Rostock | 386.04 mi (621.27 km) |
| Boom to Rotenburg an der Fulda | 232.94 mi (374.88 km) |
| Boom to Roth | 323.41 mi (520.47 km) |
| Boom to Rothenbach an der Pegnitz | 323.09 mi (519.96 km) |
