| Prospect Heights to Zottegem | 4,118.27 mi (6,627.72 km) |
| Prospect Heights to Zulte | 4,102.76 mi (6,602.75 km) |
| Prospect Heights to Zwevegem | 4,103.09 mi (6,603.28 km) |
| Prospect Heights to Zwijndrecht | 4,125.80 mi (6,639.84 km) |
| Prospect Heights to Asenovgrad | 5,278.35 mi (8,494.68 km) |
| Prospect Heights to Aytos | 5,329.19 mi (8,576.51 km) |
| Prospect Heights to Balchik | 5,324.25 mi (8,568.54 km) |
| Prospect Heights to Bankya | 5,182.26 mi (8,340.04 km) |
| Prospect Heights to Bansko | 5,236.88 mi (8,427.95 km) |
| Prospect Heights to Berkovitsa | 5,155.99 mi (8,297.76 km) |
| Prospect Heights to Blagoevgrad | 5,213.85 mi (8,390.88 km) |
| Prospect Heights to Botevgrad | 5,196.17 mi (8,362.43 km) |
| Prospect Heights to Burgas | 5,346.78 mi (8,604.81 km) |
| Prospect Heights to Byala Slatina | 5,174.09 mi (8,326.89 km) |
| Prospect Heights to Chirpan | 5,285.82 mi (8,506.71 km) |
