| Chicago Heights to Devnya | 5,334.39 mi (8,584.87 km) |
| Chicago Heights to Dimitrovgrad | 5,321.88 mi (8,564.74 km) |
| Chicago Heights to Dobrich | 5,326.28 mi (8,571.81 km) |
| Chicago Heights to Dospat | 5,288.91 mi (8,511.68 km) |
| Chicago Heights to Dupnitsa | 5,220.66 mi (8,401.83 km) |
| Chicago Heights to Elhovo | 5,350.98 mi (8,611.57 km) |
| Chicago Heights to Etropole | 5,225.78 mi (8,410.09 km) |
| Chicago Heights to Gabrovo | 5,272.40 mi (8,485.11 km) |
| Chicago Heights to Gorna Oryahovitsa | 5,272.53 mi (8,485.32 km) |
| Chicago Heights to Gotse Delchev | 5,276.89 mi (8,492.34 km) |
| Chicago Heights to Harmanli | 5,338.46 mi (8,591.42 km) |
| Chicago Heights to Haskovo | 5,326.38 mi (8,571.98 km) |
| Chicago Heights to Ihtiman | 5,238.10 mi (8,429.90 km) |
| Chicago Heights to Isperih | 5,283.98 mi (8,503.74 km) |
| Chicago Heights to Kardzhali | 5,332.95 mi (8,582.56 km) |
