| San Bernardino to Popovo | 6,609.79 mi (10,637.43 km) |
| San Bernardino to Provadia | 6,649.29 mi (10,700.99 km) |
| San Bernardino to Radnevo | 6,665.22 mi (10,726.63 km) |
| San Bernardino to Radomir | 6,572.03 mi (10,576.67 km) |
| San Bernardino to Rakitovo | 6,635.80 mi (10,679.28 km) |
| San Bernardino to Rakovski | 6,640.98 mi (10,687.62 km) |
| San Bernardino to Razgrad | 6,605.78 mi (10,630.97 km) |
| San Bernardino to Razlog | 6,625.11 mi (10,662.09 km) |
| San Bernardino to Ruse | 6,574.47 mi (10,580.59 km) |
| San Bernardino to Samokov | 6,600.83 mi (10,623.01 km) |
| San Bernardino to Sandanski | 6,638.60 mi (10,683.79 km) |
| San Bernardino to Sevlievo | 6,600.93 mi (10,623.17 km) |
| San Bernardino to Shumen | 6,631.06 mi (10,671.67 km) |
| San Bernardino to Silistra | 6,588.57 mi (10,603.28 km) |
| San Bernardino to Sliven | 6,652.34 mi (10,705.90 km) |
