| Oskaloosa to Devnya | 5,516.49 mi (8,877.93 km) |
| Oskaloosa to Dimitrovgrad | 5,510.00 mi (8,867.48 km) |
| Oskaloosa to Dobrich | 5,507.12 mi (8,862.85 km) |
| Oskaloosa to Dospat | 5,480.34 mi (8,819.75 km) |
| Oskaloosa to Dupnitsa | 5,412.47 mi (8,710.52 km) |
| Oskaloosa to Elhovo | 5,537.16 mi (8,911.20 km) |
| Oskaloosa to Etropole | 5,414.87 mi (8,714.39 km) |
| Oskaloosa to Gabrovo | 5,459.16 mi (8,785.67 km) |
| Oskaloosa to Gorna Oryahovitsa | 5,458.07 mi (8,783.92 km) |
| Oskaloosa to Gotse Delchev | 5,469.23 mi (8,801.87 km) |
| Oskaloosa to Harmanli | 5,526.32 mi (8,893.75 km) |
| Oskaloosa to Haskovo | 5,514.81 mi (8,875.23 km) |
| Oskaloosa to Ihtiman | 5,428.37 mi (8,736.12 km) |
| Oskaloosa to Isperih | 5,466.24 mi (8,797.07 km) |
| Oskaloosa to Kardzhali | 5,522.35 mi (8,887.36 km) |