| Lake Monticello to Cortona | 4,510.72 mi (7,259.31 km) |
| Lake Monticello to Cosenza | 4,842.85 mi (7,793.81 km) |
| Lake Monticello to Cossato | 4,269.75 mi (6,871.50 km) |
| Lake Monticello to Costa Volpino | 4,344.41 mi (6,991.65 km) |
| Lake Monticello to Creazzo | 4,413.03 mi (7,102.08 km) |
| Lake Monticello to Crema | 4,341.45 mi (6,986.89 km) |
| Lake Monticello to Cremona | 4,364.03 mi (7,023.22 km) |
| Lake Monticello to Crevalcore | 4,425.77 mi (7,122.59 km) |
| Lake Monticello to Crispiano | 4,837.09 mi (7,784.54 km) |
| Lake Monticello to Crosia | 4,855.76 mi (7,814.60 km) |
| Lake Monticello to Crotone | 4,889.82 mi (7,869.40 km) |
| Lake Monticello to Cuneo | 4,279.72 mi (6,887.55 km) |
| Lake Monticello to Cuorgne | 4,252.83 mi (6,844.28 km) |
| Lake Monticello to Cusano Milanino | 4,314.11 mi (6,942.89 km) |
| Lake Monticello to Cutro | 4,885.76 mi (7,862.88 km) |
