| Lemont to Castle Pines (Colorado) | 897.85 mi (1,444.94 km) |
| Lemont to Castle Rock (Colorado) | 898.55 mi (1,446.07 km) |
| Lemont to Castro Valley (California) | 1,820.39 mi (2,929.64 km) |
| Lemont to Catalina Foothills (Arizona) | 1,413.71 mi (2,275.15 km) |
| Lemont to Cataño (Puerto Rico) | 2,056.68 mi (3,309.91 km) |
| Lemont to Cathedral City (California) | 1,638.33 mi (2,636.65 km) |
| Lemont to Catonsville (Maryland) | 613.30 mi (987.01 km) |
| Lemont to Cave Spring (Virginia) | 524.42 mi (843.97 km) |
| Lemont to Cayce (South Carolina) | 653.96 mi (1,052.45 km) |
| Lemont to Cayey (Puerto Rico) | 2,074.49 mi (3,338.57 km) |
| Lemont to Cedar City (Utah) | 1,358.39 mi (2,186.12 km) |
| Lemont to Cedar Falls (Iowa) | 236.54 mi (380.67 km) |
| Lemont to Cedar Hill (Texas) | 798.26 mi (1,284.68 km) |
| Lemont to Cedar Lake (Indiana) | 34.99 mi (56.30 km) |
| Lemont to Cedar Mill (Oregon) | 1,748.32 mi (2,813.65 km) |
