| Harrow to Rheinbach | 323.11 mi (520.00 km) |
| Harrow to Rheinberg | 298.27 mi (480.02 km) |
| Harrow to Rheine | 334.76 mi (538.75 km) |
| Harrow to Rheinfelden (Baden) | 458.03 mi (737.13 km) |
| Harrow to Ribnitz-Damgarten | 563.75 mi (907.28 km) |
| Harrow to Richterich | 282.51 mi (454.66 km) |
| Harrow to Riedlingen | 496.74 mi (799.42 km) |
| Harrow to Riegelsberg | 357.22 mi (574.89 km) |
| Harrow to Rielasingen-Worblingen | 488.88 mi (786.78 km) |
| Harrow to Riesa | 586.84 mi (944.43 km) |
| Harrow to Rietberg | 376.11 mi (605.29 km) |
| Harrow to Rinteln | 403.94 mi (650.08 km) |
| Harrow to Ritterhude | 399.28 mi (642.57 km) |
| Harrow to Rodenbach | 420.51 mi (676.75 km) |
| Harrow to Rodental | 504.48 mi (811.89 km) |
