| Appenzell to Devnya | 924.67 mi (1,488.11 km) |
| Appenzell to Dimitrovgrad | 872.51 mi (1,404.17 km) |
| Appenzell to Dobrich | 927.32 mi (1,492.38 km) |
| Appenzell to Dospat | 824.38 mi (1,326.70 km) |
| Appenzell to Dupnitsa | 756.08 mi (1,216.80 km) |
| Appenzell to Elhovo | 911.64 mi (1,467.15 km) |
| Appenzell to Etropole | 774.86 mi (1,247.02 km) |
| Appenzell to Gabrovo | 833.46 mi (1,341.33 km) |
| Appenzell to Gorna Oryahovitsa | 841.83 mi (1,354.79 km) |
| Appenzell to Gotse Delchev | 808.99 mi (1,301.95 km) |
| Appenzell to Harmanli | 889.88 mi (1,432.12 km) |
| Appenzell to Haskovo | 875.13 mi (1,408.38 km) |
| Appenzell to Ihtiman | 780.28 mi (1,255.74 km) |
| Appenzell to Isperih | 877.19 mi (1,411.70 km) |
| Appenzell to Kardzhali | 876.51 mi (1,410.61 km) |
