| Santa Clarita to Popovo | 6,621.96 mi (10,657.01 km) |
| Santa Clarita to Provadia | 6,660.60 mi (10,719.21 km) |
| Santa Clarita to Radnevo | 6,678.25 mi (10,747.60 km) |
| Santa Clarita to Radomir | 6,587.24 mi (10,601.13 km) |
| Santa Clarita to Rakitovo | 6,650.48 mi (10,702.91 km) |
| Santa Clarita to Rakovski | 6,654.78 mi (10,709.83 km) |
| Santa Clarita to Razgrad | 6,617.61 mi (10,650.01 km) |
| Santa Clarita to Razlog | 6,640.34 mi (10,686.59 km) |
| Santa Clarita to Ruse | 6,586.57 mi (10,600.06 km) |
| Santa Clarita to Samokov | 6,615.70 mi (10,646.94 km) |
| Santa Clarita to Sandanski | 6,654.17 mi (10,708.85 km) |
| Santa Clarita to Sevlievo | 6,614.17 mi (10,644.47 km) |
| Santa Clarita to Shumen | 6,642.72 mi (10,690.42 km) |
| Santa Clarita to Silistra | 6,599.48 mi (10,620.84 km) |
| Santa Clarita to Sliven | 6,664.82 mi (10,725.99 km) |
