| Gresham to Castrovillari | 6,009.84 mi (9,671.90 km) |
| Gresham to Catania | 6,123.19 mi (9,854.33 km) |
| Gresham to Catanzaro | 6,075.89 mi (9,778.19 km) |
| Gresham to Cattolica | 5,672.76 mi (9,129.42 km) |
| Gresham to Cava de' Tirreni | 5,918.75 mi (9,525.31 km) |
| Gresham to Cavallino | 6,027.12 mi (9,699.72 km) |
| Gresham to Cavarzere | 5,586.73 mi (8,990.97 km) |
| Gresham to Cave | 5,806.70 mi (9,344.98 km) |
| Gresham to Cavriago | 5,573.79 mi (8,970.14 km) |
| Gresham to Cavriglia | 5,668.14 mi (9,121.99 km) |
| Gresham to Cazzago San Martino | 5,508.92 mi (8,865.75 km) |
| Gresham to Ceccano | 5,831.91 mi (9,385.55 km) |
| Gresham to Cecina | 5,655.06 mi (9,100.94 km) |
| Gresham to Cefalu | 6,062.79 mi (9,757.12 km) |
| Gresham to Ceglie Messapico | 5,990.04 mi (9,640.04 km) |
