| Duzce to Castelletto sopra Ticino | 1,177.53 mi (1,895.06 km) |
| Duzce to Castelli Calepio | 1,116.24 mi (1,796.41 km) |
| Duzce to Castelnovo ne' Monti | 1,080.72 mi (1,739.25 km) |
| Duzce to Castelnuovo Berardenga | 1,019.95 mi (1,641.44 km) |
| Duzce to Castelnuovo di Porto | 967.88 mi (1,557.66 km) |
| Duzce to Castelnuovo di Verona | 1,072.55 mi (1,726.10 km) |
| Duzce to Castelnuovo Rangone | 1,055.51 mi (1,698.68 km) |
| Duzce to Castelvetrano | 1,004.39 mi (1,616.40 km) |
| Duzce to Castelvetro di Modena | 1,054.28 mi (1,696.70 km) |
| Duzce to Castenaso | 1,028.91 mi (1,655.86 km) |
| Duzce to Castenedolo | 1,095.44 mi (1,762.93 km) |
| Duzce to Castiglion Fiorentino | 999.14 mi (1,607.96 km) |
| Duzce to Castiglione del Lago | 991.91 mi (1,596.33 km) |
| Duzce to Castiglione delle Stiviere | 1,084.91 mi (1,745.99 km) |
| Duzce to Castrolibero | 796.79 mi (1,282.31 km) |
