| Powell to Carmona | 4,034.18 mi (6,492.38 km) |
| Powell to Cartagena | 4,250.98 mi (6,841.29 km) |
| Powell to Cartama | 4,107.89 mi (6,611.01 km) |
| Powell to Cartaya | 3,967.15 mi (6,384.51 km) |
| Powell to Caspe | 4,169.76 mi (6,710.58 km) |
| Powell to Cassa de la Selva | 4,277.84 mi (6,884.51 km) |
| Powell to Castalla | 4,230.73 mi (6,808.71 km) |
| Powell to Castellbisbal | 4,252.33 mi (6,843.47 km) |
| Powell to Castelldefels | 4,258.89 mi (6,854.02 km) |
| Powell to Castello de Ampurias | 4,273.91 mi (6,878.19 km) |
| Powell to Castellon de la Plana | 4,212.33 mi (6,779.09 km) |
| Powell to Castilleja de la Cuesta | 4,016.92 mi (6,464.61 km) |
| Powell to Catarroja | 4,215.19 mi (6,783.70 km) |
| Powell to Catral | 4,239.70 mi (6,823.13 km) |
| Powell to Caudete | 4,212.19 mi (6,778.86 km) |
