| Round Lake Beach to Chivasso | 4,484.73 mi (7,217.47 km) |
| Round Lake Beach to Ciampino | 4,814.69 mi (7,748.49 km) |
| Round Lake Beach to Cicciano | 4,928.51 mi (7,931.68 km) |
| Round Lake Beach to Cingoli | 4,770.57 mi (7,677.49 km) |
| Round Lake Beach to Cinisello Balsamo | 4,522.30 mi (7,277.93 km) |
| Round Lake Beach to Cinisi | 4,996.00 mi (8,040.28 km) |
| Round Lake Beach to Cirie | 4,471.60 mi (7,196.34 km) |
| Round Lake Beach to Ciro Marina | 5,104.25 mi (8,214.50 km) |
| Round Lake Beach to Cislago | 4,508.46 mi (7,255.67 km) |
| Round Lake Beach to Cisterna di Latina | 4,832.96 mi (7,777.90 km) |
| Round Lake Beach to Cisternino | 5,053.17 mi (8,132.30 km) |
| Round Lake Beach to Citta di Castello | 4,728.48 mi (7,609.75 km) |
| Round Lake Beach to Citta Sant'Angelo | 4,840.44 mi (7,789.93 km) |
| Round Lake Beach to Cittadella | 4,617.23 mi (7,430.71 km) |
| Round Lake Beach to Cittanova | 5,109.55 mi (8,223.03 km) |
