| Rockford to Erba | 4,554.84 mi (7,330.31 km) |
| Rockford to Erchie | 5,122.30 mi (8,243.55 km) |
| Rockford to Ercolano | 4,972.92 mi (8,003.15 km) |
| Rockford to Erice | 5,026.07 mi (8,088.68 km) |
| Rockford to Este | 4,673.53 mi (7,521.32 km) |
| Rockford to Fabriano | 4,803.95 mi (7,731.21 km) |
| Rockford to Faenza | 4,722.50 mi (7,600.14 km) |
| Rockford to Fagnano Olona | 4,547.47 mi (7,318.45 km) |
| Rockford to Fano | 4,785.92 mi (7,702.19 km) |
| Rockford to Fara in Sabina | 4,845.85 mi (7,798.65 km) |
| Rockford to Farra di Soligo | 4,662.88 mi (7,504.19 km) |
| Rockford to Fasano | 5,089.47 mi (8,190.71 km) |
| Rockford to Favara | 5,103.07 mi (8,212.60 km) |
| Rockford to Felino | 4,641.44 mi (7,469.68 km) |
| Rockford to Feltre | 4,649.30 mi (7,482.33 km) |
