| Williamsport to Central Point (Oregon) | 2,334.78 mi (3,757.47 km) |
| Williamsport to Centralia (Illinois) | 667.11 mi (1,073.61 km) |
| Williamsport to Centralia (Washington) | 2,281.61 mi (3,671.89 km) |
| Williamsport to Centreville (Virginia) | 167.24 mi (269.15 km) |
| Williamsport to Ceres (California) | 2,333.11 mi (3,754.77 km) |
| Williamsport to Cerritos (California) | 2,282.36 mi (3,673.11 km) |
| Williamsport to Chalco (Nebraska) | 990.70 mi (1,594.37 km) |
| Williamsport to Chalmette (Louisiana) | 1,063.83 mi (1,712.07 km) |
| Williamsport to Chambersburg (Pennsylvania) | 96.05 mi (154.58 km) |
| Williamsport to Chamblee (Georgia) | 644.89 mi (1,037.85 km) |
| Williamsport to Champaign (Illinois) | 593.49 mi (955.13 km) |
| Williamsport to Champlin (Minnesota) | 865.40 mi (1,392.73 km) |
| Williamsport to Chandler (Arizona) | 1,977.15 mi (3,181.91 km) |
| Williamsport to Chanhassen (Minnesota) | 869.20 mi (1,398.84 km) |
| Williamsport to Channahon (Illinois) | 582.01 mi (936.65 km) |
