| Laredo to Popovo | 1,480.65 mi (2,382.87 km) |
| Laredo to Provadia | 1,542.11 mi (2,481.79 km) |
| Laredo to Radnevo | 1,480.52 mi (2,382.66 km) |
| Laredo to Radomir | 1,328.18 mi (2,137.50 km) |
| Laredo to Rakitovo | 1,393.23 mi (2,242.18 km) |
| Laredo to Rakovski | 1,432.48 mi (2,305.35 km) |
| Laredo to Razgrad | 1,492.37 mi (2,401.74 km) |
| Laredo to Razlog | 1,364.01 mi (2,195.17 km) |
| Laredo to Ruse | 1,461.29 mi (2,351.73 km) |
| Laredo to Samokov | 1,361.43 mi (2,191.00 km) |
| Laredo to Sandanski | 1,360.04 mi (2,188.77 km) |
| Laredo to Sevlievo | 1,429.36 mi (2,300.34 km) |
| Laredo to Shumen | 1,516.08 mi (2,439.90 km) |
| Laredo to Silistra | 1,522.26 mi (2,449.84 km) |
| Laredo to Sliven | 1,494.64 mi (2,405.39 km) |
