| Garden Grove to Castrovillari | 6,570.24 mi (10,573.77 km) |
| Garden Grove to Catania | 6,661.47 mi (10,720.61 km) |
| Garden Grove to Catanzaro | 6,633.80 mi (10,676.07 km) |
| Garden Grove to Cattolica | 6,234.52 mi (10,033.50 km) |
| Garden Grove to Cava de' Tirreni | 6,473.77 mi (10,418.53 km) |
| Garden Grove to Cavallino | 6,604.56 mi (10,629.01 km) |
| Garden Grove to Cavarzere | 6,151.63 mi (9,900.09 km) |
| Garden Grove to Cave | 6,356.33 mi (10,229.52 km) |
| Garden Grove to Cavriago | 6,125.98 mi (9,858.81 km) |
| Garden Grove to Cavriglia | 6,218.83 mi (10,008.23 km) |
| Garden Grove to Cazzago San Martino | 6,063.69 mi (9,758.57 km) |
| Garden Grove to Ceccano | 6,382.73 mi (10,272.00 km) |
| Garden Grove to Cecina | 6,198.02 mi (9,974.74 km) |
| Garden Grove to Cefalu | 6,596.33 mi (10,615.76 km) |
| Garden Grove to Ceglie Messapico | 6,564.43 mi (10,564.42 km) |
