| Sint-Gillis-Waas to Provadia | 1,220.02 mi (1,963.44 km) |
| Sint-Gillis-Waas to Radnevo | 1,195.68 mi (1,924.26 km) |
| Sint-Gillis-Waas to Radomir | 1,067.29 mi (1,717.64 km) |
| Sint-Gillis-Waas to Rakitovo | 1,136.74 mi (1,829.41 km) |
| Sint-Gillis-Waas to Rakovski | 1,157.70 mi (1,863.14 km) |
| Sint-Gillis-Waas to Razgrad | 1,168.44 mi (1,880.42 km) |
| Sint-Gillis-Waas to Razlog | 1,117.54 mi (1,798.50 km) |
| Sint-Gillis-Waas to Ruse | 1,133.92 mi (1,824.86 km) |
| Sint-Gillis-Waas to Samokov | 1,100.30 mi (1,770.77 km) |
| Sint-Gillis-Waas to Sandanski | 1,125.17 mi (1,810.79 km) |
| Sint-Gillis-Waas to Sevlievo | 1,132.01 mi (1,821.79 km) |
| Sint-Gillis-Waas to Shumen | 1,195.47 mi (1,923.93 km) |
| Sint-Gillis-Waas to Silistra | 1,176.78 mi (1,893.85 km) |
| Sint-Gillis-Waas to Sliven | 1,195.52 mi (1,924.00 km) |
| Sint-Gillis-Waas to Smolyan | 1,178.85 mi (1,897.18 km) |
