| Lockport to Crawfordsville (Indiana) | 122.22 mi (196.70 km) |
| Lockport to Crest Hill (Illinois) | 4.48 mi (7.21 km) |
| Lockport to Crestview (Florida) | 753.50 mi (1,212.63 km) |
| Lockport to Crestwood (Illinois) | 15.43 mi (24.83 km) |
| Lockport to Crestwood (Missouri) | 243.61 mi (392.06 km) |
| Lockport to Creve Coeur (Missouri) | 239.15 mi (384.87 km) |
| Lockport to Crofton (Maryland) | 623.41 mi (1,003.29 km) |
| Lockport to Crossville (Tennessee) | 421.66 mi (678.59 km) |
| Lockport to Crowley (Louisiana) | 822.27 mi (1,323.32 km) |
| Lockport to Crowley (Texas) | 806.53 mi (1,297.98 km) |
| Lockport to Crown Point (Indiana) | 37.41 mi (60.21 km) |
| Lockport to Crystal (Minnesota) | 358.38 mi (576.76 km) |
| Lockport to Crystal Lake (Illinois) | 47.11 mi (75.81 km) |
| Lockport to Cudahy (California) | 1,718.84 mi (2,766.21 km) |
| Lockport to Cudahy (Wisconsin) | 94.08 mi (151.40 km) |
