| Merelbeke to Provadia | 1,230.74 mi (1,980.69 km) |
| Merelbeke to Radnevo | 1,204.87 mi (1,939.04 km) |
| Merelbeke to Radomir | 1,074.99 mi (1,730.04 km) |
| Merelbeke to Rakitovo | 1,144.59 mi (1,842.04 km) |
| Merelbeke to Rakovski | 1,166.35 mi (1,877.06 km) |
| Merelbeke to Razgrad | 1,179.06 mi (1,897.51 km) |
| Merelbeke to Razlog | 1,124.90 mi (1,810.36 km) |
| Merelbeke to Ruse | 1,144.55 mi (1,841.97 km) |
| Merelbeke to Samokov | 1,108.17 mi (1,783.43 km) |
| Merelbeke to Sandanski | 1,132.12 mi (1,821.97 km) |
| Merelbeke to Sevlievo | 1,141.44 mi (1,836.98 km) |
| Merelbeke to Shumen | 1,206.06 mi (1,940.96 km) |
| Merelbeke to Silistra | 1,188.28 mi (1,912.35 km) |
| Merelbeke to Sliven | 1,205.26 mi (1,939.67 km) |
| Merelbeke to Smolyan | 1,186.69 mi (1,909.80 km) |
