| Union City to Cortona | 6,148.89 mi (9,895.68 km) |
| Union City to Cosenza | 6,499.86 mi (10,460.51 km) |
| Union City to Cossato | 5,909.97 mi (9,511.18 km) |
| Union City to Costa Volpino | 5,951.14 mi (9,577.43 km) |
| Union City to Creazzo | 6,006.74 mi (9,666.92 km) |
| Union City to Crema | 5,965.12 mi (9,599.93 km) |
| Union City to Cremona | 5,988.19 mi (9,637.06 km) |
| Union City to Crevalcore | 6,043.45 mi (9,725.99 km) |
| Union City to Crispiano | 6,450.58 mi (10,381.21 km) |
| Union City to Crosia | 6,498.69 mi (10,458.63 km) |
| Union City to Crotone | 6,536.95 mi (10,520.20 km) |
| Union City to Cuneo | 5,956.42 mi (9,585.93 km) |
| Union City to Cuorgne | 5,904.41 mi (9,502.23 km) |
| Union City to Cusano Milanino | 5,940.52 mi (9,560.34 km) |
| Union City to Cutro | 6,536.18 mi (10,518.96 km) |
