| Ionia to Devnya | 5,170.73 mi (8,321.48 km) |
| Ionia to Dimitrovgrad | 5,157.46 mi (8,300.12 km) |
| Ionia to Dobrich | 5,162.80 mi (8,308.72 km) |
| Ionia to Dospat | 5,124.14 mi (8,246.51 km) |
| Ionia to Dupnitsa | 5,055.85 mi (8,136.61 km) |
| Ionia to Elhovo | 5,186.78 mi (8,347.31 km) |
| Ionia to Etropole | 5,061.27 mi (8,145.32 km) |
| Ionia to Gabrovo | 5,108.14 mi (8,220.76 km) |
| Ionia to Gorna Oryahovitsa | 5,108.43 mi (8,221.22 km) |
| Ionia to Gotse Delchev | 5,112.03 mi (8,227.02 km) |
| Ionia to Harmanli | 5,174.06 mi (8,326.85 km) |
| Ionia to Haskovo | 5,161.92 mi (8,307.31 km) |
| Ionia to Ihtiman | 5,073.45 mi (8,164.92 km) |
| Ionia to Isperih | 5,120.31 mi (8,240.34 km) |
| Ionia to Kardzhali | 5,168.39 mi (8,317.72 km) |
