| Grays to Popovo | 1,325.61 mi (2,133.36 km) |
| Grays to Provadia | 1,382.09 mi (2,224.26 km) |
| Grays to Radnevo | 1,355.26 mi (2,181.07 km) |
| Grays to Radomir | 1,223.81 mi (1,969.53 km) |
| Grays to Rakitovo | 1,293.55 mi (2,081.76 km) |
| Grays to Rakovski | 1,316.23 mi (2,118.27 km) |
| Grays to Razgrad | 1,330.37 mi (2,141.02 km) |
| Grays to Razlog | 1,273.23 mi (2,049.07 km) |
| Grays to Ruse | 1,295.87 mi (2,085.50 km) |
| Grays to Samokov | 1,257.18 mi (2,023.23 km) |
| Grays to Sandanski | 1,279.83 mi (2,059.68 km) |
| Grays to Sevlievo | 1,292.06 mi (2,079.37 km) |
| Grays to Shumen | 1,357.35 mi (2,184.45 km) |
| Grays to Silistra | 1,339.80 mi (2,156.20 km) |
| Grays to Sliven | 1,356.09 mi (2,182.41 km) |
