| Lake Monticello to Carmona | 3,864.99 mi (6,220.11 km) |
| Lake Monticello to Cartagena | 4,091.08 mi (6,583.96 km) |
| Lake Monticello to Cartama | 3,937.15 mi (6,336.23 km) |
| Lake Monticello to Cartaya | 3,794.38 mi (6,106.46 km) |
| Lake Monticello to Caspe | 4,028.36 mi (6,483.02 km) |
| Lake Monticello to Cassa de la Selva | 4,144.91 mi (6,670.58 km) |
| Lake Monticello to Castalla | 4,075.90 mi (6,559.53 km) |
| Lake Monticello to Castellbisbal | 4,115.79 mi (6,623.73 km) |
| Lake Monticello to Castelldefels | 4,121.42 mi (6,632.78 km) |
| Lake Monticello to Castello de Ampurias | 4,143.09 mi (6,667.66 km) |
| Lake Monticello to Castellon de la Plana | 4,065.06 mi (6,542.08 km) |
| Lake Monticello to Castilleja de la Cuesta | 3,846.59 mi (6,190.49 km) |
| Lake Monticello to Catarroja | 4,064.55 mi (6,541.26 km) |
| Lake Monticello to Catral | 4,082.64 mi (6,570.38 km) |
| Lake Monticello to Caudete | 4,057.25 mi (6,529.51 km) |
