| Lake Butler to Cadiz | 4,309.37 mi (6,935.26 km) |
| Lake Butler to Calafell | 4,617.61 mi (7,431.33 km) |
| Lake Butler to Calahorra | 4,421.07 mi (7,115.03 km) |
| Lake Butler to Calasparra | 4,516.15 mi (7,268.05 km) |
| Lake Butler to Calatayud | 4,455.86 mi (7,171.01 km) |
| Lake Butler to Caldas de Montbuy | 4,637.57 mi (7,463.45 km) |
| Lake Butler to Caldas de Reyes | 4,085.92 mi (6,575.66 km) |
| Lake Butler to Calella | 4,662.23 mi (7,503.13 km) |
| Lake Butler to Callosa de Segura | 4,560.82 mi (7,339.94 km) |
| Lake Butler to Calpe | 4,596.87 mi (7,397.94 km) |
| Lake Butler to Calvia | 4,700.87 mi (7,565.32 km) |
| Lake Butler to Camas | 4,306.63 mi (6,930.85 km) |
| Lake Butler to Cambados | 4,079.32 mi (6,565.04 km) |
| Lake Butler to Cambre | 4,091.48 mi (6,584.60 km) |
| Lake Butler to Cambrils | 4,595.15 mi (7,395.17 km) |
