| Sylvania to Devnya | 5,184.53 mi (8,343.69 km) |
| Sylvania to Dimitrovgrad | 5,167.54 mi (8,316.36 km) |
| Sylvania to Dobrich | 5,177.37 mi (8,332.17 km) |
| Sylvania to Dospat | 5,132.16 mi (8,259.41 km) |
| Sylvania to Dupnitsa | 5,063.71 mi (8,149.25 km) |
| Sylvania to Elhovo | 5,198.04 mi (8,365.44 km) |
| Sylvania to Etropole | 5,070.86 mi (8,160.76 km) |
| Sylvania to Gabrovo | 5,119.14 mi (8,238.47 km) |
| Sylvania to Gorna Oryahovitsa | 5,120.19 mi (8,240.16 km) |
| Sylvania to Gotse Delchev | 5,119.48 mi (8,239.00 km) |
| Sylvania to Harmanli | 5,184.29 mi (8,343.32 km) |
| Sylvania to Haskovo | 5,171.81 mi (8,323.22 km) |
| Sylvania to Ihtiman | 5,082.27 mi (8,179.12 km) |
| Sylvania to Isperih | 5,134.07 mi (8,262.49 km) |
| Sylvania to Kardzhali | 5,177.65 mi (8,332.63 km) |
