| Delaware to Castelletto sopra Ticino | 4,383.77 mi (7,055.00 km) |
| Delaware to Castelli Calepio | 4,438.75 mi (7,143.47 km) |
| Delaware to Castelnovo ne' Monti | 4,503.99 mi (7,248.48 km) |
| Delaware to Castelnuovo Berardenga | 4,591.24 mi (7,388.89 km) |
| Delaware to Castelnuovo di Porto | 4,680.33 mi (7,532.26 km) |
| Delaware to Castelnuovo di Verona | 4,481.55 mi (7,212.35 km) |
| Delaware to Castelnuovo Rangone | 4,521.61 mi (7,276.83 km) |
| Delaware to Castelvetrano | 4,872.17 mi (7,841.01 km) |
| Delaware to Castelvetro di Modena | 4,524.19 mi (7,280.98 km) |
| Delaware to Castenaso | 4,545.25 mi (7,314.87 km) |
| Delaware to Castenedolo | 4,460.98 mi (7,179.26 km) |
| Delaware to Castiglion Fiorentino | 4,608.63 mi (7,416.87 km) |
| Delaware to Castiglione del Lago | 4,621.97 mi (7,438.35 km) |
| Delaware to Castiglione delle Stiviere | 4,471.91 mi (7,196.84 km) |
| Delaware to Castrolibero | 4,951.57 mi (7,968.78 km) |
