| Mason City to Cermik | 6,085.58 mi (9,793.80 km) |
| Mason City to Cesme | 5,653.49 mi (9,098.42 km) |
| Mason City to Ceyhan | 6,039.36 mi (9,719.41 km) |
| Mason City to Ceylanpinar | 6,178.50 mi (9,943.34 km) |
| Mason City to Cicekdagi | 5,849.82 mi (9,414.38 km) |
| Mason City to Cide | 5,678.86 mi (9,139.25 km) |
| Mason City to Cifteler | 5,755.55 mi (9,262.65 km) |
| Mason City to Ciftlik | 5,933.24 mi (9,548.62 km) |
| Mason City to Ciftlikkoy | 5,630.15 mi (9,060.85 km) |
| Mason City to Cihanbeyli | 5,856.42 mi (9,425.00 km) |
| Mason City to Cildir | 6,011.19 mi (9,674.08 km) |
| Mason City to Cilimli | 5,672.68 mi (9,129.30 km) |
| Mason City to Cinar | 6,137.71 mi (9,877.69 km) |
| Mason City to Cinarcik | 5,624.49 mi (9,051.74 km) |
| Mason City to Cine | 5,752.30 mi (9,257.44 km) |
