| Zwijndrecht to Popovo | 1,157.16 mi (1,862.27 km) |
| Zwijndrecht to Provadia | 1,212.00 mi (1,950.52 km) |
| Zwijndrecht to Radnevo | 1,191.41 mi (1,917.39 km) |
| Zwijndrecht to Radomir | 1,066.68 mi (1,716.66 km) |
| Zwijndrecht to Rakitovo | 1,135.71 mi (1,827.75 km) |
| Zwijndrecht to Rakovski | 1,154.76 mi (1,858.40 km) |
| Zwijndrecht to Razgrad | 1,160.71 mi (1,867.99 km) |
| Zwijndrecht to Razlog | 1,117.64 mi (1,798.66 km) |
| Zwijndrecht to Ruse | 1,126.20 mi (1,812.45 km) |
| Zwijndrecht to Samokov | 1,099.27 mi (1,769.10 km) |
| Zwijndrecht to Sandanski | 1,126.23 mi (1,812.49 km) |
| Zwijndrecht to Sevlievo | 1,127.22 mi (1,814.09 km) |
| Zwijndrecht to Shumen | 1,187.82 mi (1,911.60 km) |
| Zwijndrecht to Silistra | 1,166.86 mi (1,877.88 km) |
| Zwijndrecht to Sliven | 1,189.91 mi (1,914.97 km) |
