| Zachary to Cocentaina | 4,967.60 mi (7,994.57 km) |
| Zachary to Coin | 4,812.50 mi (7,744.98 km) |
| Zachary to Colindres | 4,695.31 mi (7,556.38 km) |
| Zachary to Collado-Villalba | 4,741.30 mi (7,630.39 km) |
| Zachary to Colmenar Viejo | 4,752.34 mi (7,648.16 km) |
| Zachary to Colmenarejo | 4,742.82 mi (7,632.83 km) |
| Zachary to Conil de la Frontera | 4,755.54 mi (7,653.31 km) |
| Zachary to Consuegra | 4,792.50 mi (7,712.79 km) |
| Zachary to Corbera de Llobregat | 5,001.56 mi (8,049.23 km) |
| Zachary to Cordoba | 4,777.47 mi (7,688.60 km) |
| Zachary to Coria del Rio | 4,729.75 mi (7,611.80 km) |
| Zachary to Crevillente | 4,964.16 mi (7,989.04 km) |
| Zachary to Cuarte de Huerva | 4,863.02 mi (7,826.27 km) |
| Zachary to Cubellas | 4,995.69 mi (8,039.78 km) |
| Zachary to Cuellar | 4,706.33 mi (7,574.10 km) |
