| Rockford to Zottegem | 4,153.37 mi (6,684.20 km) |
| Rockford to Zulte | 4,137.93 mi (6,659.35 km) |
| Rockford to Zwevegem | 4,138.39 mi (6,660.09 km) |
| Rockford to Zwijndrecht | 4,160.44 mi (6,695.59 km) |
| Rockford to Asenovgrad | 5,311.50 mi (8,548.03 km) |
| Rockford to Aytos | 5,360.79 mi (8,627.36 km) |
| Rockford to Balchik | 5,354.96 mi (8,617.97 km) |
| Rockford to Bankya | 5,215.78 mi (8,393.99 km) |
| Rockford to Bansko | 5,270.78 mi (8,482.50 km) |
| Rockford to Berkovitsa | 5,189.18 mi (8,351.18 km) |
| Rockford to Blagoevgrad | 5,247.82 mi (8,445.55 km) |
| Rockford to Botevgrad | 5,229.26 mi (8,415.69 km) |
| Rockford to Burgas | 5,378.39 mi (8,655.68 km) |
| Rockford to Byala Slatina | 5,206.77 mi (8,379.48 km) |
| Rockford to Chirpan | 5,318.64 mi (8,559.53 km) |
