| Round Lake Beach to Celano | 4,840.09 mi (7,789.37 km) |
| Round Lake Beach to Cento | 4,636.68 mi (7,462.01 km) |
| Round Lake Beach to Cepagatti | 4,847.73 mi (7,801.67 km) |
| Round Lake Beach to Ceprano | 4,862.17 mi (7,824.90 km) |
| Round Lake Beach to Cercola | 4,925.71 mi (7,927.16 km) |
| Round Lake Beach to Cerea | 4,614.42 mi (7,426.19 km) |
| Round Lake Beach to Cerese | 4,602.65 mi (7,407.25 km) |
| Round Lake Beach to Cerignola | 4,968.87 mi (7,996.63 km) |
| Round Lake Beach to Cermenate | 4,510.97 mi (7,259.70 km) |
| Round Lake Beach to Cernusco sul Naviglio | 4,528.20 mi (7,287.44 km) |
| Round Lake Beach to Cerreto Guidi | 4,661.93 mi (7,502.65 km) |
| Round Lake Beach to Cerro Maggiore | 4,509.85 mi (7,257.90 km) |
| Round Lake Beach to Certaldo | 4,677.44 mi (7,527.61 km) |
| Round Lake Beach to Cerveteri | 4,786.02 mi (7,702.36 km) |
| Round Lake Beach to Cervia | 4,698.52 mi (7,561.53 km) |
