| Harderwijk to Devnya | 1,191.43 mi (1,917.42 km) |
| Harderwijk to Dimitrovgrad | 1,170.91 mi (1,884.40 km) |
| Harderwijk to Dobrich | 1,186.57 mi (1,909.60 km) |
| Harderwijk to Dospat | 1,138.92 mi (1,832.92 km) |
| Harderwijk to Dupnitsa | 1,071.06 mi (1,723.70 km) |
| Harderwijk to Elhovo | 1,201.21 mi (1,933.15 km) |
| Harderwijk to Etropole | 1,074.68 mi (1,729.53 km) |
| Harderwijk to Gabrovo | 1,122.26 mi (1,806.10 km) |
| Harderwijk to Gorna Oryahovitsa | 1,123.69 mi (1,808.41 km) |
| Harderwijk to Gotse Delchev | 1,127.91 mi (1,815.20 km) |
| Harderwijk to Harmanli | 1,187.57 mi (1,911.21 km) |
| Harderwijk to Haskovo | 1,175.33 mi (1,891.51 km) |
| Harderwijk to Ihtiman | 1,087.28 mi (1,749.82 km) |
| Harderwijk to Isperih | 1,141.09 mi (1,836.40 km) |
| Harderwijk to Kardzhali | 1,181.89 mi (1,902.06 km) |
