| Smyrna to Cortona | 4,956.11 mi (7,976.08 km) |
| Smyrna to Cosenza | 5,287.91 mi (8,510.06 km) |
| Smyrna to Cossato | 4,715.14 mi (7,588.28 km) |
| Smyrna to Costa Volpino | 4,789.68 mi (7,708.25 km) |
| Smyrna to Creazzo | 4,858.26 mi (7,818.61 km) |
| Smyrna to Crema | 4,786.81 mi (7,703.62 km) |
| Smyrna to Cremona | 4,809.39 mi (7,739.97 km) |
| Smyrna to Crevalcore | 4,871.14 mi (7,839.34 km) |
| Smyrna to Crispiano | 5,282.45 mi (8,501.28 km) |
| Smyrna to Crosia | 5,300.95 mi (8,531.05 km) |
| Smyrna to Crotone | 5,334.93 mi (8,585.74 km) |
| Smyrna to Cuneo | 4,725.05 mi (7,604.23 km) |
| Smyrna to Cuorgne | 4,698.23 mi (7,561.07 km) |
| Smyrna to Cusano Milanino | 4,759.47 mi (7,659.62 km) |
| Smyrna to Cutro | 5,330.85 mi (8,579.17 km) |
