| Rorschach to Devnya | 922.70 mi (1,484.94 km) |
| Rorschach to Dimitrovgrad | 871.85 mi (1,403.11 km) |
| Rorschach to Dobrich | 925.06 mi (1,488.74 km) |
| Rorschach to Dospat | 824.46 mi (1,326.85 km) |
| Rorschach to Dupnitsa | 756.09 mi (1,216.81 km) |
| Rorschach to Elhovo | 910.63 mi (1,465.51 km) |
| Rorschach to Etropole | 774.13 mi (1,245.84 km) |
| Rorschach to Gabrovo | 832.30 mi (1,339.46 km) |
| Rorschach to Gorna Oryahovitsa | 840.37 mi (1,352.45 km) |
| Rorschach to Gotse Delchev | 809.30 mi (1,302.43 km) |
| Rorschach to Harmanli | 889.21 mi (1,431.05 km) |
| Rorschach to Haskovo | 874.56 mi (1,407.47 km) |
| Rorschach to Ihtiman | 779.91 mi (1,255.15 km) |
| Rorschach to Isperih | 875.04 mi (1,408.23 km) |
| Rorschach to Kardzhali | 876.20 mi (1,410.11 km) |
