| Lake Monticello to Cividale del Friuli | 4,476.26 mi (7,203.84 km) |
| Lake Monticello to Civita Castellana | 4,563.11 mi (7,343.62 km) |
| Lake Monticello to Civitanova Marche | 4,585.75 mi (7,380.06 km) |
| Lake Monticello to Civitavecchia | 4,542.95 mi (7,311.17 km) |
| Lake Monticello to Civitella in Val di Chiana | 4,494.05 mi (7,232.48 km) |
| Lake Monticello to Clusone | 4,336.36 mi (6,978.69 km) |
| Lake Monticello to Coccaglio | 4,347.81 mi (6,997.13 km) |
| Lake Monticello to Codigoro | 4,463.38 mi (7,183.11 km) |
| Lake Monticello to Codogno | 4,349.02 mi (6,999.06 km) |
| Lake Monticello to Codroipo | 4,461.90 mi (7,180.73 km) |
| Lake Monticello to Cogoleto | 4,327.66 mi (6,964.70 km) |
| Lake Monticello to Colle di Val d'Elsa | 4,469.10 mi (7,192.32 km) |
| Lake Monticello to Colle Salvetti | 4,433.91 mi (7,135.69 km) |
| Lake Monticello to Collecchio | 4,384.39 mi (7,056.00 km) |
| Lake Monticello to Colleferro | 4,609.71 mi (7,418.61 km) |
