| Duzce to Casamassima | 743.02 mi (1,195.77 km) |
| Duzce to Casandrino | 881.84 mi (1,419.18 km) |
| Duzce to Casapulla | 879.33 mi (1,415.14 km) |
| Duzce to Casarano | 685.02 mi (1,102.44 km) |
| Duzce to Casatenovo | 1,145.00 mi (1,842.70 km) |
| Duzce to Casciana Terme | 1,064.95 mi (1,713.87 km) |
| Duzce to Cascina | 1,069.01 mi (1,720.40 km) |
| Duzce to Caselle Torinese | 1,220.32 mi (1,963.91 km) |
| Duzce to Caserta | 876.73 mi (1,410.96 km) |
| Duzce to Casier | 1,002.71 mi (1,613.71 km) |
| Duzce to Casorate Primo | 1,155.25 mi (1,859.20 km) |
| Duzce to Casoria | 879.45 mi (1,415.33 km) |
| Duzce to Cassano al Ionio | 784.40 mi (1,262.37 km) |
| Duzce to Cassano d'Adda | 1,133.42 mi (1,824.06 km) |
| Duzce to Cassano delle Murge | 751.18 mi (1,208.90 km) |
