| Opwijk to Dimitrovgrad | 1,183.77 mi (1,905.10 km) |
| Opwijk to Dobrich | 1,214.00 mi (1,953.74 km) |
| Opwijk to Dospat | 1,144.82 mi (1,842.41 km) |
| Opwijk to Dupnitsa | 1,076.28 mi (1,732.11 km) |
| Opwijk to Elhovo | 1,217.76 mi (1,959.80 km) |
| Opwijk to Etropole | 1,086.22 mi (1,748.10 km) |
| Opwijk to Gabrovo | 1,138.49 mi (1,832.22 km) |
| Opwijk to Gorna Oryahovitsa | 1,142.54 mi (1,838.74 km) |
| Opwijk to Gotse Delchev | 1,131.81 mi (1,821.47 km) |
| Opwijk to Harmanli | 1,200.84 mi (1,932.56 km) |
| Opwijk to Haskovo | 1,187.50 mi (1,911.09 km) |
| Opwijk to Ihtiman | 1,096.01 mi (1,763.85 km) |
| Opwijk to Isperih | 1,166.51 mi (1,877.32 km) |
| Opwijk to Kardzhali | 1,191.98 mi (1,918.31 km) |
| Opwijk to Karlovo | 1,126.59 mi (1,813.07 km) |
