| Sigmaringen to Devnya | 945.15 mi (1,521.07 km) |
| Sigmaringen to Dimitrovgrad | 899.21 mi (1,447.15 km) |
| Sigmaringen to Dobrich | 946.34 mi (1,522.99 km) |
| Sigmaringen to Dospat | 854.40 mi (1,375.02 km) |
| Sigmaringen to Dupnitsa | 785.85 mi (1,264.70 km) |
| Sigmaringen to Elhovo | 936.68 mi (1,507.43 km) |
| Sigmaringen to Etropole | 801.33 mi (1,289.62 km) |
| Sigmaringen to Gabrovo | 857.91 mi (1,380.67 km) |
| Sigmaringen to Gorna Oryahovitsa | 864.87 mi (1,391.88 km) |
| Sigmaringen to Gotse Delchev | 839.94 mi (1,351.75 km) |
| Sigmaringen to Harmanli | 916.52 mi (1,474.99 km) |
| Sigmaringen to Haskovo | 902.23 mi (1,452.00 km) |
| Sigmaringen to Ihtiman | 808.37 mi (1,300.95 km) |
| Sigmaringen to Isperih | 896.81 mi (1,443.28 km) |
| Sigmaringen to Kardzhali | 904.74 mi (1,456.04 km) |
