| Sliven to Romeoville (Illinois) | 5,327.62 mi (8,573.97 km) |
| Sliven to Romulus (Michigan) | 5,127.47 mi (8,251.86 km) |
| Sliven to Ronkonkoma (New York) | 4,796.18 mi (7,718.71 km) |
| Sliven to Roosevelt (New York) | 4,820.20 mi (7,757.36 km) |
| Sliven to Rosamond (California) | 6,629.99 mi (10,669.94 km) |
| Sliven to Rosaryville (Maryland) | 5,037.03 mi (8,106.32 km) |
| Sliven to Roscoe (Illinois) | 5,319.53 mi (8,560.96 km) |
| Sliven to Rose Hill (Virginia) | 5,047.48 mi (8,123.13 km) |
| Sliven to Roseburg (Oregon) | 6,211.04 mi (9,995.70 km) |
| Sliven to Rosedale (California) | 6,620.96 mi (10,655.41 km) |
| Sliven to Rosedale (Maryland) | 4,998.68 mi (8,044.59 km) |
| Sliven to Roselle (Illinois) | 5,309.61 mi (8,544.99 km) |
| Sliven to Roselle (New Jersey) | 4,848.67 mi (7,803.19 km) |
| Sliven to Roselle Park (New Jersey) | 4,848.39 mi (7,802.72 km) |
| Sliven to Rosemead (California) | 6,676.45 mi (10,744.71 km) |
