| Hilo to Cadiz | 8,050.53 mi (12,956.08 km) |
| Hilo to Calafell | 7,971.53 mi (12,828.94 km) |
| Hilo to Calahorra | 7,823.37 mi (12,590.50 km) |
| Hilo to Calasparra | 8,078.43 mi (13,000.98 km) |
| Hilo to Calatayud | 7,889.51 mi (12,696.94 km) |
| Hilo to Caldas de Montbuy | 7,956.88 mi (12,805.36 km) |
| Hilo to Caldas de Reyes | 7,631.86 mi (12,282.29 km) |
| Hilo to Calella | 7,968.11 mi (12,823.43 km) |
| Hilo to Callosa de Segura | 8,105.85 mi (13,045.10 km) |
| Hilo to Calpe | 8,096.34 mi (13,029.80 km) |
| Hilo to Calvia | 8,094.76 mi (13,027.25 km) |
| Hilo to Camas | 8,008.09 mi (12,887.77 km) |
| Hilo to Cambados | 7,633.18 mi (12,284.42 km) |
| Hilo to Cambre | 7,601.21 mi (12,232.97 km) |
| Hilo to Cambrils | 7,968.77 mi (12,824.50 km) |
