| Gardner to Carmona | 4,637.20 mi (7,462.85 km) |
| Gardner to Cartagena | 4,845.29 mi (7,797.74 km) |
| Gardner to Cartama | 4,711.87 mi (7,583.02 km) |
| Gardner to Cartaya | 4,573.25 mi (7,359.94 km) |
| Gardner to Caspe | 4,747.24 mi (7,639.94 km) |
| Gardner to Cassa de la Selva | 4,846.10 mi (7,799.04 km) |
| Gardner to Castalla | 4,820.60 mi (7,758.01 km) |
| Gardner to Castellbisbal | 4,824.45 mi (7,764.21 km) |
| Gardner to Castelldefels | 4,831.92 mi (7,776.23 km) |
| Gardner to Castello de Ampurias | 4,839.98 mi (7,789.19 km) |
| Gardner to Castellon de la Plana | 4,795.26 mi (7,717.23 km) |
| Gardner to Castilleja de la Cuesta | 4,620.91 mi (7,436.64 km) |
| Gardner to Catarroja | 4,801.29 mi (7,726.93 km) |
| Gardner to Catral | 4,831.54 mi (7,775.61 km) |
| Gardner to Caudete | 4,802.25 mi (7,728.47 km) |
