| Santa Barbara to Popovo | 6,650.27 mi (10,702.57 km) |
| Santa Barbara to Provadia | 6,688.14 mi (10,763.51 km) |
| Santa Barbara to Radnevo | 6,707.33 mi (10,794.41 km) |
| Santa Barbara to Radomir | 6,618.30 mi (10,651.13 km) |
| Santa Barbara to Rakitovo | 6,681.06 mi (10,752.13 km) |
| Santa Barbara to Rakovski | 6,684.57 mi (10,757.77 km) |
| Santa Barbara to Razgrad | 6,645.62 mi (10,695.10 km) |
| Santa Barbara to Razlog | 6,671.41 mi (10,736.60 km) |
| Santa Barbara to Ruse | 6,614.83 mi (10,645.54 km) |
| Santa Barbara to Samokov | 6,646.46 mi (10,696.45 km) |
| Santa Barbara to Sandanski | 6,685.55 mi (10,759.35 km) |
| Santa Barbara to Sevlievo | 6,643.45 mi (10,691.60 km) |
| Santa Barbara to Shumen | 6,670.56 mi (10,735.23 km) |
| Santa Barbara to Silistra | 6,626.65 mi (10,664.57 km) |
| Santa Barbara to Sliven | 6,693.41 mi (10,772.01 km) |
