| Greer to Cortona | 4,808.70 mi (7,738.85 km) |
| Greer to Cosenza | 5,139.73 mi (8,271.59 km) |
| Greer to Cossato | 4,568.11 mi (7,351.67 km) |
| Greer to Costa Volpino | 4,643.13 mi (7,472.40 km) |
| Greer to Creazzo | 4,711.82 mi (7,582.95 km) |
| Greer to Crema | 4,639.95 mi (7,467.28 km) |
| Greer to Cremona | 4,662.48 mi (7,503.54 km) |
| Greer to Crevalcore | 4,724.23 mi (7,602.92 km) |
| Greer to Crispiano | 5,134.92 mi (8,263.85 km) |
| Greer to Crosia | 5,152.94 mi (8,292.86 km) |
| Greer to Crotone | 5,186.83 mi (8,347.39 km) |
| Greer to Cuneo | 4,577.39 mi (7,366.59 km) |
| Greer to Cuorgne | 4,551.03 mi (7,324.18 km) |
| Greer to Cusano Milanino | 4,612.61 mi (7,423.28 km) |
| Greer to Cutro | 5,182.70 mi (8,340.75 km) |
