| San Bruno to Popovo | 6,507.04 mi (10,472.07 km) |
| San Bruno to Provadia | 6,542.08 mi (10,528.46 km) |
| San Bruno to Radnevo | 6,566.74 mi (10,568.14 km) |
| San Bruno to Radomir | 6,485.13 mi (10,436.81 km) |
| San Bruno to Rakitovo | 6,545.97 mi (10,534.72 km) |
| San Bruno to Rakovski | 6,546.56 mi (10,535.67 km) |
| San Bruno to Razgrad | 6,501.34 mi (10,462.90 km) |
| San Bruno to Razlog | 6,538.16 mi (10,522.15 km) |
| San Bruno to Ruse | 6,471.50 mi (10,414.87 km) |
| San Bruno to Samokov | 6,512.10 mi (10,480.21 km) |
| San Bruno to Sandanski | 6,553.40 mi (10,546.67 km) |
| San Bruno to Sevlievo | 6,503.71 mi (10,466.71 km) |
| San Bruno to Shumen | 6,525.63 mi (10,501.99 km) |
| San Bruno to Silistra | 6,479.48 mi (10,427.71 km) |
| San Bruno to Sliven | 6,551.09 mi (10,542.95 km) |
