| Roudnice nad Labem to Cologno al Serio | 395.30 mi (636.18 km) |
| Roudnice nad Labem to Cologno Monzese | 409.18 mi (658.52 km) |
| Roudnice nad Labem to Colorno | 420.03 mi (675.98 km) |
| Roudnice nad Labem to Comacchio | 407.24 mi (655.39 km) |
| Roudnice nad Labem to Comiso | 931.21 mi (1,498.64 km) |
| Roudnice nad Labem to Como | 398.13 mi (640.73 km) |
| Roudnice nad Labem to Concordia Sagittaria | 328.39 mi (528.50 km) |
| Roudnice nad Labem to Concorezzo | 404.13 mi (650.38 km) |
| Roudnice nad Labem to Conegliano | 326.37 mi (525.23 km) |
| Roudnice nad Labem to Conselice | 423.65 mi (681.80 km) |
| Roudnice nad Labem to Conselve | 375.49 mi (604.30 km) |
| Roudnice nad Labem to Conversano | 667.76 mi (1,074.66 km) |
| Roudnice nad Labem to Copertino | 725.35 mi (1,167.34 km) |
| Roudnice nad Labem to Copparo | 398.08 mi (640.65 km) |
| Roudnice nad Labem to Corato | 649.02 mi (1,044.50 km) |
