| Rockford to Castelletto sopra Ticino | 4,536.36 mi (7,300.57 km) |
| Rockford to Castelli Calepio | 4,588.81 mi (7,384.98 km) |
| Rockford to Castelnovo ne' Monti | 4,658.59 mi (7,497.27 km) |
| Rockford to Castelnuovo Berardenga | 4,748.21 mi (7,641.50 km) |
| Rockford to Castelnuovo di Porto | 4,840.32 mi (7,789.74 km) |
| Rockford to Castelnuovo di Verona | 4,630.54 mi (7,452.14 km) |
| Rockford to Castelnuovo Rangone | 4,674.39 mi (7,522.70 km) |
| Rockford to Castelvetrano | 5,050.55 mi (8,128.08 km) |
| Rockford to Castelvetro di Modena | 4,677.16 mi (7,527.16 km) |
| Rockford to Castenaso | 4,696.92 mi (7,558.96 km) |
| Rockford to Castenedolo | 4,610.91 mi (7,420.54 km) |
| Rockford to Castiglion Fiorentino | 4,764.60 mi (7,667.88 km) |
| Rockford to Castiglione del Lago | 4,778.56 mi (7,690.35 km) |
| Rockford to Castiglione delle Stiviere | 4,621.69 mi (7,437.89 km) |
| Rockford to Castrolibero | 5,114.08 mi (8,230.32 km) |
