| Merksem to Provadia | 1,207.24 mi (1,942.86 km) |
| Merksem to Radnevo | 1,183.42 mi (1,904.54 km) |
| Merksem to Radomir | 1,055.61 mi (1,698.84 km) |
| Merksem to Rakitovo | 1,125.00 mi (1,810.51 km) |
| Merksem to Rakovski | 1,145.65 mi (1,843.74 km) |
| Merksem to Razgrad | 1,155.69 mi (1,859.90 km) |
| Merksem to Razlog | 1,105.98 mi (1,779.90 km) |
| Merksem to Ruse | 1,121.17 mi (1,804.34 km) |
| Merksem to Samokov | 1,088.55 mi (1,751.85 km) |
| Merksem to Sandanski | 1,113.79 mi (1,792.47 km) |
| Merksem to Sevlievo | 1,119.67 mi (1,801.93 km) |
| Merksem to Shumen | 1,182.74 mi (1,903.43 km) |
| Merksem to Silistra | 1,163.76 mi (1,872.88 km) |
| Merksem to Sliven | 1,183.06 mi (1,903.95 km) |
| Merksem to Smolyan | 1,167.11 mi (1,878.27 km) |
