| Dobrich to Rockville (Maryland) | 5,057.57 mi (8,139.38 km) |
| Dobrich to Rockville Centre (New York) | 4,845.92 mi (7,798.76 km) |
| Dobrich to Rockwall (Texas) | 6,091.62 mi (9,803.52 km) |
| Dobrich to Rocky Mount (North Carolina) | 5,231.48 mi (8,419.26 km) |
| Dobrich to Rocky Point (New York) | 4,805.87 mi (7,734.30 km) |
| Dobrich to Rocky River (Ohio) | 5,121.63 mi (8,242.46 km) |
| Dobrich to Roessleville (New York) | 4,760.47 mi (7,661.24 km) |
| Dobrich to Rogers (Arkansas) | 5,826.17 mi (9,376.32 km) |
| Dobrich to Rogers (Minnesota) | 5,329.07 mi (8,576.31 km) |
| Dobrich to Rohnert Park (California) | 6,484.32 mi (10,435.51 km) |
| Dobrich to Rolla (Missouri) | 5,655.88 mi (9,102.25 km) |
| Dobrich to Rolling Meadows (Illinois) | 5,310.81 mi (8,546.93 km) |
| Dobrich to Roma (Texas) | 6,545.17 mi (10,533.44 km) |
| Dobrich to Rome (Georgia) | 5,606.78 mi (9,023.24 km) |
| Dobrich to Rome (New York) | 4,801.42 mi (7,727.14 km) |
