| Folkestone to Popovo | 1,283.72 mi (2,065.95 km) |
| Folkestone to Provadia | 1,340.52 mi (2,157.36 km) |
| Folkestone to Radnevo | 1,312.53 mi (2,112.31 km) |
| Folkestone to Radomir | 1,180.23 mi (1,899.40 km) |
| Folkestone to Rakitovo | 1,250.02 mi (2,011.71 km) |
| Folkestone to Rakovski | 1,273.17 mi (2,048.97 km) |
| Folkestone to Razgrad | 1,288.73 mi (2,074.01 km) |
| Folkestone to Razlog | 1,229.46 mi (1,978.63 km) |
| Folkestone to Ruse | 1,254.25 mi (2,018.52 km) |
| Folkestone to Samokov | 1,213.68 mi (1,953.22 km) |
| Folkestone to Sandanski | 1,235.85 mi (1,988.92 km) |
| Folkestone to Sevlievo | 1,249.52 mi (2,010.91 km) |
| Folkestone to Shumen | 1,315.67 mi (2,117.37 km) |
| Folkestone to Silistra | 1,298.93 mi (2,090.43 km) |
| Folkestone to Sliven | 1,313.75 mi (2,114.28 km) |
