| Union to Cortona | 5,020.16 mi (8,079.16 km) |
| Union to Cosenza | 5,364.20 mi (8,632.85 km) |
| Union to Cossato | 4,774.75 mi (7,684.21 km) |
| Union to Costa Volpino | 4,841.10 mi (7,791.00 km) |
| Union to Creazzo | 4,907.39 mi (7,897.68 km) |
| Union to Crema | 4,843.09 mi (7,794.19 km) |
| Union to Cremona | 4,866.29 mi (7,831.54 km) |
| Union to Crevalcore | 4,927.45 mi (7,929.97 km) |
| Union to Crispiano | 5,346.06 mi (8,603.65 km) |
| Union to Crosia | 5,373.41 mi (8,647.66 km) |
| Union to Crotone | 5,409.29 mi (8,705.42 km) |
| Union to Cuneo | 4,795.70 mi (7,717.94 km) |
| Union to Cuorgne | 4,760.83 mi (7,661.82 km) |
| Union to Cusano Milanino | 4,815.97 mi (7,750.55 km) |
| Union to Cutro | 5,406.08 mi (8,700.25 km) |
