| Pharr to Popovo | 6,480.69 mi (10,429.66 km) |
| Pharr to Provadia | 6,532.97 mi (10,513.79 km) |
| Pharr to Radnevo | 6,517.90 mi (10,489.55 km) |
| Pharr to Radomir | 6,391.42 mi (10,285.99 km) |
| Pharr to Rakitovo | 6,460.96 mi (10,397.91 km) |
| Pharr to Rakovski | 6,481.38 mi (10,430.77 km) |
| Pharr to Razgrad | 6,482.71 mi (10,432.92 km) |
| Pharr to Razlog | 6,441.25 mi (10,366.20 km) |
| Pharr to Ruse | 6,448.42 mi (10,377.73 km) |
| Pharr to Samokov | 6,424.53 mi (10,339.28 km) |
| Pharr to Sandanski | 6,447.97 mi (10,377.01 km) |
| Pharr to Sevlievo | 6,453.47 mi (10,385.85 km) |
| Pharr to Shumen | 6,509.80 mi (10,476.51 km) |
| Pharr to Silistra | 6,482.70 mi (10,432.90 km) |
| Pharr to Sliven | 6,515.33 mi (10,485.41 km) |
