| Plon to Popovo | 1,033.16 mi (1,662.71 km) |
| Plon to Provadia | 1,080.00 mi (1,738.09 km) |
| Plon to Radnevo | 1,082.14 mi (1,741.54 km) |
| Plon to Radomir | 984.09 mi (1,583.73 km) |
| Plon to Rakitovo | 1,047.75 mi (1,686.19 km) |
| Plon to Rakovski | 1,054.63 mi (1,697.27 km) |
| Plon to Razgrad | 1,032.13 mi (1,661.06 km) |
| Plon to Razlog | 1,037.19 mi (1,669.20 km) |
| Plon to Ruse | 998.88 mi (1,607.54 km) |
| Plon to Samokov | 1,012.72 mi (1,629.82 km) |
| Plon to Sandanski | 1,051.22 mi (1,691.78 km) |
| Plon to Sevlievo | 1,017.12 mi (1,636.90 km) |
| Plon to Shumen | 1,058.72 mi (1,703.85 km) |
| Plon to Silistra | 1,025.30 mi (1,650.06 km) |
| Plon to Sliven | 1,072.77 mi (1,726.46 km) |
