| Zollikon to Devnya | 963.35 mi (1,550.36 km) |
| Zollikon to Dimitrovgrad | 910.01 mi (1,464.52 km) |
| Zollikon to Dobrich | 966.18 mi (1,554.92 km) |
| Zollikon to Dospat | 860.94 mi (1,385.55 km) |
| Zollikon to Dupnitsa | 792.77 mi (1,275.84 km) |
| Zollikon to Elhovo | 949.52 mi (1,528.11 km) |
| Zollikon to Etropole | 812.47 mi (1,307.54 km) |
| Zollikon to Gabrovo | 871.50 mi (1,402.54 km) |
| Zollikon to Gorna Oryahovitsa | 880.13 mi (1,416.43 km) |
| Zollikon to Gotse Delchev | 845.26 mi (1,360.31 km) |
| Zollikon to Harmanli | 927.39 mi (1,492.49 km) |
| Zollikon to Haskovo | 912.52 mi (1,468.56 km) |
| Zollikon to Ihtiman | 817.46 mi (1,315.57 km) |
| Zollikon to Isperih | 915.99 mi (1,474.15 km) |
| Zollikon to Kardzhali | 913.60 mi (1,470.30 km) |
