| Kuurne to Provadia | 1,247.28 mi (2,007.30 km) |
| Kuurne to Radnevo | 1,220.15 mi (1,963.64 km) |
| Kuurne to Radomir | 1,089.05 mi (1,752.66 km) |
| Kuurne to Rakitovo | 1,158.75 mi (1,864.82 km) |
| Kuurne to Rakovski | 1,181.19 mi (1,900.94 km) |
| Kuurne to Razgrad | 1,195.52 mi (1,924.00 km) |
| Kuurne to Razlog | 1,138.66 mi (1,832.49 km) |
| Kuurne to Ruse | 1,161.03 mi (1,868.50 km) |
| Kuurne to Samokov | 1,122.36 mi (1,806.26 km) |
| Kuurne to Sandanski | 1,145.51 mi (1,843.51 km) |
| Kuurne to Sevlievo | 1,156.95 mi (1,861.93 km) |
| Kuurne to Shumen | 1,222.48 mi (1,967.40 km) |
| Kuurne to Silistra | 1,205.44 mi (1,939.97 km) |
| Kuurne to Sliven | 1,221.00 mi (1,965.01 km) |
| Kuurne to Smolyan | 1,200.84 mi (1,932.56 km) |
