| Rockford to Yuncos | 4,234.50 mi (6,814.77 km) |
| Rockford to Zafra | 4,181.70 mi (6,729.80 km) |
| Rockford to Zamora | 4,098.71 mi (6,596.24 km) |
| Rockford to Zaragoza | 4,306.13 mi (6,930.05 km) |
| Rockford to Zarautz | 4,190.13 mi (6,743.37 km) |
| Rockford to Zuera | 4,301.91 mi (6,923.26 km) |
| Rockford to Zumaia | 4,185.78 mi (6,736.36 km) |
| Rockford to Zumarraga | 4,191.06 mi (6,744.87 km) |
| Rockford to Longyearbyen | 3,571.14 mi (5,747.20 km) |
| Rockford to Ahus | 4,320.66 mi (6,953.44 km) |
| Rockford to Akersberga | 4,294.06 mi (6,910.62 km) |
| Rockford to Alingsas | 4,187.20 mi (6,738.64 km) |
| Rockford to Almhult | 4,290.53 mi (6,904.94 km) |
| Rockford to Alta | 4,300.47 mi (6,920.94 km) |
| Rockford to Amal | 4,149.55 mi (6,678.05 km) |
