| Williamstown to Crawfordsville (Indiana) | 632.10 mi (1,017.27 km) |
| Williamstown to Crest Hill (Illinois) | 700.18 mi (1,126.83 km) |
| Williamstown to Crestview (Florida) | 898.66 mi (1,446.26 km) |
| Williamstown to Crestwood (Illinois) | 681.66 mi (1,097.02 km) |
| Williamstown to Crestwood (Missouri) | 828.13 mi (1,332.74 km) |
| Williamstown to Creve Coeur (Missouri) | 830.30 mi (1,336.24 km) |
| Williamstown to Crofton (Maryland) | 102.10 mi (164.32 km) |
| Williamstown to Crossville (Tennessee) | 605.75 mi (974.86 km) |
| Williamstown to Crowley (Louisiana) | 1,179.31 mi (1,897.92 km) |
| Williamstown to Crowley (Texas) | 1,337.46 mi (2,152.44 km) |
| Williamstown to Crown Point (Indiana) | 659.53 mi (1,061.41 km) |
| Williamstown to Crystal (Minnesota) | 1,005.78 mi (1,618.65 km) |
| Williamstown to Crystal Lake (Illinois) | 717.92 mi (1,155.37 km) |
| Williamstown to Cudahy (California) | 2,398.59 mi (3,860.16 km) |
| Williamstown to Cudahy (Wisconsin) | 704.71 mi (1,134.12 km) |
