| Howard to Campo de Criptana | 4,174.56 mi (6,718.31 km) |
| Howard to Campos del Puerto | 4,436.57 mi (7,139.98 km) |
| Howard to Canals | 4,302.18 mi (6,923.69 km) |
| Howard to Candelaria | 4,007.41 mi (6,449.31 km) |
| Howard to Canet de Mar | 4,328.05 mi (6,965.33 km) |
| Howard to Cangas | 3,818.49 mi (6,145.27 km) |
| Howard to Cangas de Narcea | 3,882.26 mi (6,247.89 km) |
| Howard to Canovellas | 4,314.46 mi (6,943.45 km) |
| Howard to Canteras | 4,337.89 mi (6,981.16 km) |
| Howard to Cantillana | 4,127.07 mi (6,641.88 km) |
| Howard to Capdepera | 4,442.61 mi (7,149.69 km) |
| Howard to Carballo | 3,788.55 mi (6,097.08 km) |
| Howard to Carcagente | 4,301.44 mi (6,922.50 km) |
| Howard to Cardedeu | 4,316.75 mi (6,947.14 km) |
| Howard to Carlet | 4,294.05 mi (6,910.61 km) |
