| Round Lake Beach to Corato | 4,993.74 mi (8,036.65 km) |
| Round Lake Beach to Corbetta | 4,513.99 mi (7,264.57 km) |
| Round Lake Beach to Corciano | 4,744.16 mi (7,634.99 km) |
| Round Lake Beach to Cordenons | 4,637.96 mi (7,464.07 km) |
| Round Lake Beach to Cori | 4,833.97 mi (7,779.52 km) |
| Round Lake Beach to Coriano | 4,720.56 mi (7,597.00 km) |
| Round Lake Beach to Corigliano Calabro | 5,069.36 mi (8,158.35 km) |
| Round Lake Beach to Corleone | 5,020.00 mi (8,078.90 km) |
| Round Lake Beach to Cormano | 4,520.35 mi (7,274.79 km) |
| Round Lake Beach to Cornaredo | 4,517.19 mi (7,269.71 km) |
| Round Lake Beach to Cornate d'Adda | 4,527.93 mi (7,286.99 km) |
| Round Lake Beach to Cornedo Vicentino | 4,602.03 mi (7,406.26 km) |
| Round Lake Beach to Correggio | 4,615.63 mi (7,428.14 km) |
| Round Lake Beach to Corridonia | 4,787.35 mi (7,704.50 km) |
| Round Lake Beach to Corsico | 4,523.17 mi (7,279.34 km) |
