| Upper Grand Lagoon to Corato | 5,446.37 mi (8,765.09 km) |
| Upper Grand Lagoon to Corbetta | 4,974.75 mi (8,006.09 km) |
| Upper Grand Lagoon to Corciano | 5,195.49 mi (8,361.33 km) |
| Upper Grand Lagoon to Cordenons | 5,122.84 mi (8,244.42 km) |
| Upper Grand Lagoon to Cori | 5,272.20 mi (8,484.78 km) |
| Upper Grand Lagoon to Coriano | 5,182.78 mi (8,340.88 km) |
| Upper Grand Lagoon to Corigliano Calabro | 5,506.29 mi (8,861.51 km) |
| Upper Grand Lagoon to Corleone | 5,417.98 mi (8,719.40 km) |
| Upper Grand Lagoon to Cormano | 4,983.27 mi (8,019.80 km) |
| Upper Grand Lagoon to Cornaredo | 4,978.89 mi (8,012.76 km) |
| Upper Grand Lagoon to Cornate d'Adda | 4,993.44 mi (8,036.17 km) |
| Upper Grand Lagoon to Cornedo Vicentino | 5,076.29 mi (8,169.50 km) |
| Upper Grand Lagoon to Correggio | 5,077.57 mi (8,171.56 km) |
| Upper Grand Lagoon to Corridonia | 5,246.53 mi (8,443.48 km) |
| Upper Grand Lagoon to Corsico | 4,984.51 mi (8,021.79 km) |
