| Powell to Cadiz | 4,033.31 mi (6,490.99 km) |
| Powell to Calafell | 4,243.32 mi (6,828.96 km) |
| Powell to Calahorra | 4,047.04 mi (6,513.08 km) |
| Powell to Calasparra | 4,195.21 mi (6,751.54 km) |
| Powell to Calatayud | 4,093.10 mi (6,587.21 km) |
| Powell to Caldas de Montbuy | 4,255.23 mi (6,848.13 km) |
| Powell to Caldas de Reyes | 3,732.57 mi (6,006.99 km) |
| Powell to Calella | 4,277.97 mi (6,884.72 km) |
| Powell to Callosa de Segura | 4,237.48 mi (6,819.57 km) |
| Powell to Calpe | 4,262.35 mi (6,859.59 km) |
| Powell to Calvia | 4,343.15 mi (6,989.62 km) |
| Powell to Camas | 4,017.11 mi (6,464.91 km) |
| Powell to Cambados | 3,728.03 mi (5,999.69 km) |
| Powell to Cambre | 3,727.23 mi (5,998.40 km) |
| Powell to Cambrils | 4,224.76 mi (6,799.10 km) |
