| Apex to Devnya | 5,290.04 mi (8,513.50 km) |
| Apex to Dimitrovgrad | 5,257.34 mi (8,460.87 km) |
| Apex to Dobrich | 5,286.25 mi (8,507.39 km) |
| Apex to Dospat | 5,213.40 mi (8,390.16 km) |
| Apex to Dupnitsa | 5,144.92 mi (8,279.95 km) |
| Apex to Elhovo | 5,292.57 mi (8,517.57 km) |
| Apex to Etropole | 5,159.49 mi (8,303.39 km) |
| Apex to Gabrovo | 5,213.33 mi (8,390.04 km) |
| Apex to Gorna Oryahovitsa | 5,217.63 mi (8,396.97 km) |
| Apex to Gotse Delchev | 5,198.39 mi (8,366.00 km) |
| Apex to Harmanli | 5,274.54 mi (8,488.55 km) |
| Apex to Haskovo | 5,260.68 mi (8,466.25 km) |
| Apex to Ihtiman | 5,167.46 mi (8,316.22 km) |
| Apex to Isperih | 5,239.92 mi (8,432.84 km) |
| Apex to Kardzhali | 5,263.81 mi (8,471.29 km) |
