| San Luis to Popovo | 6,644.92 mi (10,693.97 km) |
| San Luis to Provadia | 6,686.58 mi (10,761.01 km) |
| San Luis to Radnevo | 6,697.98 mi (10,779.35 km) |
| San Luis to Radomir | 6,599.18 mi (10,620.35 km) |
| San Luis to Rakitovo | 6,664.22 mi (10,725.03 km) |
| San Luis to Rakovski | 6,671.73 mi (10,737.12 km) |
| San Luis to Razgrad | 6,641.78 mi (10,688.92 km) |
| San Luis to Razlog | 6,652.11 mi (10,705.53 km) |
| San Luis to Ruse | 6,609.83 mi (10,637.50 km) |
| San Luis to Samokov | 6,628.81 mi (10,668.04 km) |
| San Luis to Sandanski | 6,664.65 mi (10,725.72 km) |
| San Luis to Sevlievo | 6,633.26 mi (10,675.19 km) |
| San Luis to Shumen | 6,667.50 mi (10,730.31 km) |
| San Luis to Silistra | 6,627.03 mi (10,665.17 km) |
| San Luis to Sliven | 6,686.56 mi (10,760.98 km) |
