| Wezembeek-Oppem to Provadia | 1,196.13 mi (1,924.99 km) |
| Wezembeek-Oppem to Radnevo | 1,170.25 mi (1,883.34 km) |
| Wezembeek-Oppem to Radomir | 1,040.57 mi (1,674.63 km) |
| Wezembeek-Oppem to Rakitovo | 1,110.14 mi (1,786.59 km) |
| Wezembeek-Oppem to Rakovski | 1,131.78 mi (1,821.43 km) |
| Wezembeek-Oppem to Razgrad | 1,144.44 mi (1,841.80 km) |
| Wezembeek-Oppem to Razlog | 1,090.55 mi (1,755.07 km) |
| Wezembeek-Oppem to Ruse | 1,109.93 mi (1,786.27 km) |
| Wezembeek-Oppem to Samokov | 1,073.72 mi (1,727.98 km) |
| Wezembeek-Oppem to Sandanski | 1,097.86 mi (1,766.84 km) |
| Wezembeek-Oppem to Sevlievo | 1,106.81 mi (1,781.25 km) |
| Wezembeek-Oppem to Shumen | 1,171.44 mi (1,885.25 km) |
| Wezembeek-Oppem to Silistra | 1,153.76 mi (1,856.80 km) |
| Wezembeek-Oppem to Sliven | 1,170.62 mi (1,883.93 km) |
| Wezembeek-Oppem to Smolyan | 1,152.25 mi (1,854.36 km) |
