| Rockford to Yverdon-les-Bains | 4,416.25 mi (7,107.26 km) |
| Rockford to Zofingen | 4,445.91 mi (7,155.01 km) |
| Rockford to Zollikon | 4,468.12 mi (7,190.74 km) |
| Rockford to Zuchwil | 4,434.72 mi (7,137.00 km) |
| Rockford to Zug | 4,472.81 mi (7,198.30 km) |
| Rockford to Zurich | 4,465.41 mi (7,186.38 km) |
| Rockford to Ra's al `Ayn | 6,101.50 mi (9,819.42 km) |
| Rockford to Tall Abyad | 6,074.42 mi (9,775.84 km) |
| Rockford to Acarlar | 5,627.74 mi (9,056.97 km) |
| Rockford to Acigol | 5,826.04 mi (9,376.11 km) |
| Rockford to Acipayam | 5,706.39 mi (9,183.54 km) |
| Rockford to Adakli | 5,979.41 mi (9,622.93 km) |
| Rockford to Adana | 5,937.48 mi (9,555.44 km) |
| Rockford to Adilcevaz | 6,072.14 mi (9,772.16 km) |
| Rockford to Adiyaman | 5,992.84 mi (9,644.54 km) |
