| Rockford to Ames | 3,922.87 mi (6,313.25 km) |
| Rockford to Amorebieta | 4,168.23 mi (6,708.12 km) |
| Rockford to Amposta | 4,405.52 mi (7,090.00 km) |
| Rockford to Amurrio | 4,162.83 mi (6,699.42 km) |
| Rockford to Andoain | 4,198.97 mi (6,757.60 km) |
| Rockford to Andraitx | 4,530.14 mi (7,290.55 km) |
| Rockford to Andujar | 4,303.55 mi (6,925.90 km) |
| Rockford to Antequera | 4,319.53 mi (6,951.61 km) |
| Rockford to Antigua | 4,200.60 mi (6,760.22 km) |
| Rockford to Aranda de Duero | 4,183.30 mi (6,732.37 km) |
| Rockford to Aranjuez | 4,248.10 mi (6,836.65 km) |
| Rockford to Archena | 4,424.49 mi (7,120.52 km) |
| Rockford to Arcos de la Frontera | 4,272.78 mi (6,876.37 km) |
| Rockford to Arenys de Mar | 4,455.56 mi (7,170.53 km) |
| Rockford to Arenys de Munt | 4,453.91 mi (7,167.88 km) |
