| Santa Fe Springs to Popovo | 6,641.74 mi (10,688.86 km) |
| Santa Fe Springs to Provadia | 6,680.83 mi (10,751.76 km) |
| Santa Fe Springs to Radnevo | 6,697.58 mi (10,778.72 km) |
| Santa Fe Springs to Radomir | 6,605.41 mi (10,630.38 km) |
| Santa Fe Springs to Rakitovo | 6,668.94 mi (10,732.61 km) |
| Santa Fe Springs to Rakovski | 6,673.71 mi (10,740.29 km) |
| Santa Fe Springs to Razgrad | 6,637.57 mi (10,682.14 km) |
| Santa Fe Springs to Razlog | 6,658.50 mi (10,715.83 km) |
| Santa Fe Springs to Ruse | 6,606.39 mi (10,631.96 km) |
| Santa Fe Springs to Samokov | 6,634.05 mi (10,676.48 km) |
| Santa Fe Springs to Sandanski | 6,672.15 mi (10,737.79 km) |
| Santa Fe Springs to Sevlievo | 6,633.39 mi (10,675.41 km) |
| Santa Fe Springs to Shumen | 6,662.78 mi (10,722.70 km) |
| Santa Fe Springs to Silistra | 6,619.92 mi (10,653.73 km) |
| Santa Fe Springs to Sliven | 6,684.44 mi (10,757.57 km) |
