| Williamsport to Cold Springs (Nevada) | 2,236.60 mi (3,599.46 km) |
| Williamsport to Coldwater (Michigan) | 414.15 mi (666.51 km) |
| Williamsport to Colesville (Maryland) | 149.73 mi (240.97 km) |
| Williamsport to College (Alaska) | 3,138.15 mi (5,050.37 km) |
| Williamsport to College Park (Georgia) | 664.27 mi (1,069.04 km) |
| Williamsport to College Park (Maryland) | 155.13 mi (249.66 km) |
| Williamsport to College Station (Texas) | 1,300.38 mi (2,092.77 km) |
| Williamsport to Collegedale (Tennessee) | 609.62 mi (981.09 km) |
| Williamsport to Colleyville (Texas) | 1,245.66 mi (2,004.69 km) |
| Williamsport to Collierville (Tennessee) | 808.96 mi (1,301.90 km) |
| Williamsport to Collinsville (Illinois) | 708.56 mi (1,140.32 km) |
| Williamsport to Colonia (New Jersey) | 148.99 mi (239.78 km) |
| Williamsport to Colonial Heights (Virginia) | 275.31 mi (443.07 km) |
| Williamsport to Colonial Park (Pennsylvania) | 66.14 mi (106.44 km) |
| Williamsport to Colorado Springs (Colorado) | 1,469.06 mi (2,364.22 km) |
