| Harrow to Rodgau | 417.02 mi (671.12 km) |
| Harrow to Roding | 589.17 mi (948.18 km) |
| Harrow to Rodinghausen | 378.81 mi (609.64 km) |
| Harrow to Roetgen | 291.06 mi (468.41 km) |
| Harrow to Rommerskirchen | 306.21 mi (492.79 km) |
| Harrow to Ronnenberg | 428.60 mi (689.76 km) |
| Harrow to Rosbach vor der Hohe | 403.48 mi (649.33 km) |
| Harrow to Rosdorf | 439.99 mi (708.09 km) |
| Harrow to Rosenheim | 613.25 mi (986.94 km) |
| Harrow to Rosrath | 328.95 mi (529.40 km) |
| Harrow to Rossdorf | 415.29 mi (668.34 km) |
| Harrow to Rosstal | 515.55 mi (829.70 km) |
| Harrow to Rostock | 547.94 mi (881.83 km) |
| Harrow to Rotenburg an der Fulda | 436.84 mi (703.03 km) |
| Harrow to Roth | 528.18 mi (850.03 km) |
