| Pecos to Popovo | 6,374.05 mi (10,258.04 km) |
| Pecos to Provadia | 6,422.10 mi (10,335.38 km) |
| Pecos to Radnevo | 6,418.65 mi (10,329.82 km) |
| Pecos to Radomir | 6,303.43 mi (10,144.39 km) |
| Pecos to Rakitovo | 6,371.58 mi (10,254.06 km) |
| Pecos to Rakovski | 6,386.39 mi (10,277.90 km) |
| Pecos to Razgrad | 6,373.80 mi (10,257.64 km) |
| Pecos to Razlog | 6,355.11 mi (10,227.56 km) |
| Pecos to Ruse | 6,340.23 mi (10,203.62 km) |
| Pecos to Samokov | 6,335.27 mi (10,195.63 km) |
| Pecos to Sandanski | 6,364.52 mi (10,242.70 km) |
| Pecos to Sevlievo | 6,353.50 mi (10,224.97 km) |
| Pecos to Shumen | 6,400.53 mi (10,300.66 km) |
| Pecos to Silistra | 6,367.28 mi (10,247.14 km) |
| Pecos to Sliven | 6,412.12 mi (10,319.31 km) |
