| Sidney to Devnya | 5,271.35 mi (8,483.42 km) |
| Sidney to Dimitrovgrad | 5,252.60 mi (8,453.25 km) |
| Sidney to Dobrich | 5,264.55 mi (8,472.47 km) |
| Sidney to Dospat | 5,216.20 mi (8,394.66 km) |
| Sidney to Dupnitsa | 5,147.69 mi (8,284.41 km) |
| Sidney to Elhovo | 5,283.66 mi (8,503.23 km) |
| Sidney to Etropole | 5,155.71 mi (8,297.31 km) |
| Sidney to Gabrovo | 5,204.66 mi (8,376.09 km) |
| Sidney to Gorna Oryahovitsa | 5,206.08 mi (8,378.37 km) |
| Sidney to Gotse Delchev | 5,203.24 mi (8,373.81 km) |
| Sidney to Harmanli | 5,269.42 mi (8,480.31 km) |
| Sidney to Haskovo | 5,256.76 mi (8,459.94 km) |
| Sidney to Ihtiman | 5,166.73 mi (8,315.05 km) |
| Sidney to Isperih | 5,220.89 mi (8,402.21 km) |
| Sidney to Kardzhali | 5,262.30 mi (8,468.86 km) |
