| Sliven to Robertsville (New Jersey) | 4,863.92 mi (7,827.72 km) |
| Sliven to Robinson (Texas) | 6,186.66 mi (9,956.47 km) |
| Sliven to Robstown (Texas) | 6,406.69 mi (10,310.57 km) |
| Sliven to Rochester (Michigan) | 5,096.25 mi (8,201.62 km) |
| Sliven to Rochester (Minnesota) | 5,355.31 mi (8,618.54 km) |
| Sliven to Rochester (New Hampshire) | 4,602.91 mi (7,407.67 km) |
| Sliven to Rochester (New York) | 4,867.91 mi (7,834.15 km) |
| Sliven to Rochester Hills (Michigan) | 5,098.64 mi (8,205.47 km) |
| Sliven to Rock Hill (South Carolina) | 5,386.85 mi (8,669.29 km) |
| Sliven to Rock Island (Illinois) | 5,422.87 mi (8,727.26 km) |
| Sliven to Rock Springs (Wyoming) | 5,990.34 mi (9,640.51 km) |
| Sliven to Rockford (Illinois) | 5,329.86 mi (8,577.58 km) |
| Sliven to Rockledge (Florida) | 5,695.64 mi (9,166.25 km) |
| Sliven to Rocklin (California) | 6,450.90 mi (10,381.72 km) |
| Sliven to Rockport (Texas) | 6,371.54 mi (10,254.00 km) |
