| Sliven to Rockville (Maryland) | 5,035.77 mi (8,104.28 km) |
| Sliven to Rockville Centre (New York) | 4,823.08 mi (7,762.00 km) |
| Sliven to Rockwall (Texas) | 6,082.23 mi (9,788.41 km) |
| Sliven to Rocky Mount (North Carolina) | 5,206.36 mi (8,378.83 km) |
| Sliven to Rocky Point (New York) | 4,782.80 mi (7,697.17 km) |
| Sliven to Rocky River (Ohio) | 5,107.10 mi (8,219.09 km) |
| Sliven to Roessleville (New York) | 4,740.52 mi (7,629.13 km) |
| Sliven to Rogers (Arkansas) | 5,817.83 mi (9,362.90 km) |
| Sliven to Rogers (Minnesota) | 5,329.83 mi (8,577.53 km) |
| Sliven to Rohnert Park (California) | 6,510.44 mi (10,477.55 km) |
| Sliven to Rolla (Missouri) | 5,646.80 mi (9,087.65 km) |
| Sliven to Rolling Meadows (Illinois) | 5,302.75 mi (8,533.96 km) |
| Sliven to Roma (Texas) | 6,532.22 mi (10,512.59 km) |
| Sliven to Rome (Georgia) | 5,586.84 mi (8,991.14 km) |
| Sliven to Rome (New York) | 4,783.61 mi (7,698.48 km) |
