| Sliven to River Ridge (Louisiana) | 6,005.13 mi (9,664.32 km) |
| Sliven to Riverbank (California) | 6,512.92 mi (10,481.53 km) |
| Sliven to Riverdale (Georgia) | 5,590.85 mi (8,997.61 km) |
| Sliven to Riverdale (Illinois) | 5,310.55 mi (8,546.50 km) |
| Sliven to Riverside (California) | 6,667.50 mi (10,730.30 km) |
| Sliven to Riverside (Ohio) | 5,273.65 mi (8,487.13 km) |
| Sliven to Riverton (Utah) | 6,126.47 mi (9,859.60 km) |
| Sliven to Riverton (Wyoming) | 5,883.49 mi (9,468.56 km) |
| Sliven to Riverview (Florida) | 5,787.33 mi (9,313.81 km) |
| Sliven to Riverview (Michigan) | 5,123.62 mi (8,245.67 km) |
| Sliven to Riviera Beach (Florida) | 5,741.79 mi (9,240.52 km) |
| Sliven to Riviera Beach (Maryland) | 5,006.86 mi (8,057.76 km) |
| Sliven to Roanoke (Virginia) | 5,232.24 mi (8,420.48 km) |
| Sliven to Roanoke Rapids (North Carolina) | 5,177.75 mi (8,332.79 km) |
| Sliven to Robbinsdale (Minnesota) | 5,330.39 mi (8,578.43 km) |
