| Ballwin to Devnya | 5,587.35 mi (8,991.97 km) |
| Ballwin to Dimitrovgrad | 5,574.10 mi (8,970.65 km) |
| Ballwin to Dobrich | 5,579.35 mi (8,979.10 km) |
| Ballwin to Dospat | 5,540.60 mi (8,916.73 km) |
| Ballwin to Dupnitsa | 5,472.29 mi (8,806.80 km) |
| Ballwin to Elhovo | 5,603.46 mi (9,017.90 km) |
| Ballwin to Etropole | 5,477.88 mi (8,815.79 km) |
| Ballwin to Gabrovo | 5,524.82 mi (8,891.34 km) |
| Ballwin to Gorna Oryahovitsa | 5,525.12 mi (8,891.82 km) |
| Ballwin to Gotse Delchev | 5,528.42 mi (8,897.13 km) |
| Ballwin to Harmanli | 5,590.72 mi (8,997.39 km) |
| Ballwin to Haskovo | 5,578.55 mi (8,977.82 km) |
| Ballwin to Ihtiman | 5,489.99 mi (8,835.29 km) |
| Ballwin to Isperih | 5,536.93 mi (8,910.83 km) |
| Ballwin to Kardzhali | 5,584.98 mi (8,988.15 km) |
