| Genk to Provadia | 1,157.52 mi (1,862.85 km) |
| Genk to Radnevo | 1,133.60 mi (1,824.36 km) |
| Genk to Radomir | 1,006.00 mi (1,619.00 km) |
| Genk to Rakitovo | 1,075.35 mi (1,730.62 km) |
| Genk to Rakovski | 1,095.87 mi (1,763.63 km) |
| Genk to Razgrad | 1,105.95 mi (1,779.85 km) |
| Genk to Razlog | 1,056.46 mi (1,700.20 km) |
| Genk to Ruse | 1,071.43 mi (1,724.30 km) |
| Genk to Samokov | 1,038.91 mi (1,671.96 km) |
| Genk to Sandanski | 1,064.39 mi (1,712.97 km) |
| Genk to Sevlievo | 1,069.84 mi (1,721.74 km) |
| Genk to Shumen | 1,132.99 mi (1,823.38 km) |
| Genk to Silistra | 1,114.22 mi (1,793.16 km) |
| Genk to Sliven | 1,133.24 mi (1,823.77 km) |
| Genk to Smolyan | 1,117.46 mi (1,798.38 km) |
