| Chillicothe to Devnya | 5,274.70 mi (8,488.82 km) |
| Chillicothe to Dimitrovgrad | 5,252.98 mi (8,453.85 km) |
| Chillicothe to Dobrich | 5,268.53 mi (8,478.89 km) |
| Chillicothe to Dospat | 5,214.94 mi (8,392.63 km) |
| Chillicothe to Dupnitsa | 5,146.36 mi (8,282.27 km) |
| Chillicothe to Elhovo | 5,284.95 mi (8,505.31 km) |
| Chillicothe to Etropole | 5,155.78 mi (8,297.42 km) |
| Chillicothe to Gabrovo | 5,205.82 mi (8,377.96 km) |
| Chillicothe to Gorna Oryahovitsa | 5,207.85 mi (8,381.23 km) |
| Chillicothe to Gotse Delchev | 5,201.53 mi (8,371.05 km) |
| Chillicothe to Harmanli | 5,269.89 mi (8,481.07 km) |
| Chillicothe to Haskovo | 5,256.97 mi (8,460.27 km) |
| Chillicothe to Ihtiman | 5,166.16 mi (8,314.14 km) |
| Chillicothe to Isperih | 5,224.27 mi (8,407.65 km) |
| Chillicothe to Kardzhali | 5,262.00 mi (8,468.37 km) |
