| Uniondale to Cortona | 4,192.62 mi (6,747.36 km) |
| Uniondale to Cosenza | 4,525.30 mi (7,282.77 km) |
| Uniondale to Cossato | 3,951.51 mi (6,359.33 km) |
| Uniondale to Costa Volpino | 4,026.08 mi (6,479.35 km) |
| Uniondale to Creazzo | 4,094.69 mi (6,589.77 km) |
| Uniondale to Crema | 4,023.16 mi (6,474.66 km) |
| Uniondale to Cremona | 4,045.75 mi (6,511.01 km) |
| Uniondale to Crevalcore | 4,107.49 mi (6,610.37 km) |
| Uniondale to Crispiano | 4,519.04 mi (7,272.68 km) |
| Uniondale to Crosia | 4,538.04 mi (7,303.27 km) |
| Uniondale to Crotone | 4,572.19 mi (7,358.24 km) |
| Uniondale to Cuneo | 3,961.77 mi (6,375.85 km) |
| Uniondale to Cuorgne | 3,934.64 mi (6,332.19 km) |
| Uniondale to Cusano Milanino | 3,995.82 mi (6,430.65 km) |
| Uniondale to Cutro | 4,568.18 mi (7,351.78 km) |
