| Uniondale to Collegno | 3,940.98 mi (6,342.39 km) |
| Uniondale to Cologno al Serio | 4,016.94 mi (6,464.63 km) |
| Uniondale to Cologno Monzese | 4,000.58 mi (6,438.32 km) |
| Uniondale to Colorno | 4,067.34 mi (6,545.75 km) |
| Uniondale to Comacchio | 4,152.41 mi (6,682.66 km) |
| Uniondale to Comiso | 4,540.75 mi (7,307.64 km) |
| Uniondale to Como | 3,983.42 mi (6,410.69 km) |
| Uniondale to Concordia Sagittaria | 4,144.75 mi (6,670.33 km) |
| Uniondale to Concorezzo | 4,001.12 mi (6,439.17 km) |
| Uniondale to Conegliano | 4,117.45 mi (6,626.40 km) |
| Uniondale to Conselice | 4,143.59 mi (6,668.46 km) |
| Uniondale to Conselve | 4,120.97 mi (6,632.06 km) |
| Uniondale to Conversano | 4,499.98 mi (7,242.02 km) |
| Uniondale to Copertino | 4,567.54 mi (7,350.74 km) |
| Uniondale to Copparo | 4,130.69 mi (6,647.71 km) |
