| Harelbeke to Provadia | 1,246.23 mi (2,005.62 km) |
| Harelbeke to Radnevo | 1,219.16 mi (1,962.04 km) |
| Harelbeke to Radomir | 1,088.11 mi (1,751.15 km) |
| Harelbeke to Rakitovo | 1,157.80 mi (1,863.30 km) |
| Harelbeke to Rakovski | 1,180.21 mi (1,899.37 km) |
| Harelbeke to Razgrad | 1,194.48 mi (1,922.33 km) |
| Harelbeke to Razlog | 1,137.73 mi (1,831.00 km) |
| Harelbeke to Ruse | 1,159.99 mi (1,866.82 km) |
| Harelbeke to Samokov | 1,121.41 mi (1,804.74 km) |
| Harelbeke to Sandanski | 1,144.60 mi (1,842.05 km) |
| Harelbeke to Sevlievo | 1,155.95 mi (1,860.32 km) |
| Harelbeke to Shumen | 1,221.44 mi (1,965.72 km) |
| Harelbeke to Silistra | 1,204.37 mi (1,938.25 km) |
| Harelbeke to Sliven | 1,219.99 mi (1,963.38 km) |
| Harelbeke to Smolyan | 1,199.90 mi (1,931.04 km) |
