| Round Lake Beach to Castrovillari | 5,046.83 mi (8,122.09 km) |
| Round Lake Beach to Catania | 5,108.18 mi (8,220.82 km) |
| Round Lake Beach to Catanzaro | 5,104.95 mi (8,215.62 km) |
| Round Lake Beach to Cattolica | 4,725.73 mi (7,605.33 km) |
| Round Lake Beach to Cava de' Tirreni | 4,947.11 mi (7,961.61 km) |
| Round Lake Beach to Cavallino | 5,102.34 mi (8,211.42 km) |
| Round Lake Beach to Cavarzere | 4,650.40 mi (7,484.10 km) |
| Round Lake Beach to Cave | 4,827.23 mi (7,768.67 km) |
| Round Lake Beach to Cavriago | 4,608.87 mi (7,417.26 km) |
| Round Lake Beach to Cavriglia | 4,696.20 mi (7,557.81 km) |
| Round Lake Beach to Cazzago San Martino | 4,552.43 mi (7,326.43 km) |
| Round Lake Beach to Ceccano | 4,854.14 mi (7,811.98 km) |
| Round Lake Beach to Cecina | 4,666.48 mi (7,509.97 km) |
| Round Lake Beach to Cefalu | 5,039.79 mi (8,110.76 km) |
| Round Lake Beach to Ceglie Messapico | 5,059.62 mi (8,142.67 km) |
