| Gurnee to Castelletto sopra Ticino | 4,487.57 mi (7,222.04 km) |
| Gurnee to Castelli Calepio | 4,540.30 mi (7,306.90 km) |
| Gurnee to Castelnovo ne' Monti | 4,609.63 mi (7,418.48 km) |
| Gurnee to Castelnuovo Berardenga | 4,699.04 mi (7,562.37 km) |
| Gurnee to Castelnuovo di Porto | 4,790.87 mi (7,710.16 km) |
| Gurnee to Castelnuovo di Verona | 4,582.15 mi (7,374.26 km) |
| Gurnee to Castelnuovo Rangone | 4,625.62 mi (7,444.22 km) |
| Gurnee to Castelvetrano | 4,999.37 mi (8,045.71 km) |
| Gurnee to Castelvetro di Modena | 4,628.38 mi (7,448.65 km) |
| Gurnee to Castenaso | 4,648.27 mi (7,480.67 km) |
| Gurnee to Castenedolo | 4,562.41 mi (7,342.49 km) |
| Gurnee to Castiglion Fiorentino | 4,715.53 mi (7,588.91 km) |
| Gurnee to Castiglione del Lago | 4,729.43 mi (7,611.29 km) |
| Gurnee to Castiglione delle Stiviere | 4,573.22 mi (7,359.88 km) |
| Gurnee to Castrolibero | 5,064.46 mi (8,150.46 km) |
