| Silla to Devnya | 1,469.52 mi (2,364.96 km) |
| Silla to Dimitrovgrad | 1,369.57 mi (2,204.11 km) |
| Silla to Dobrich | 1,483.41 mi (2,387.31 km) |
| Silla to Dospat | 1,296.32 mi (2,086.23 km) |
| Silla to Dupnitsa | 1,242.53 mi (1,999.66 km) |
| Silla to Elhovo | 1,418.96 mi (2,283.60 km) |
| Silla to Etropole | 1,288.68 mi (2,073.94 km) |
| Silla to Gabrovo | 1,356.26 mi (2,182.69 km) |
| Silla to Gorna Oryahovitsa | 1,375.35 mi (2,213.41 km) |
| Silla to Gotse Delchev | 1,274.05 mi (2,050.39 km) |
| Silla to Harmanli | 1,385.14 mi (2,229.17 km) |
| Silla to Haskovo | 1,368.01 mi (2,201.61 km) |
| Silla to Ihtiman | 1,278.44 mi (2,057.46 km) |
| Silla to Isperih | 1,433.82 mi (2,307.52 km) |
| Silla to Kardzhali | 1,358.25 mi (2,185.90 km) |
