| Williamsport to Cordele (Georgia) | 741.64 mi (1,193.56 km) |
| Williamsport to Corinth (Mississippi) | 759.55 mi (1,222.37 km) |
| Williamsport to Corinth (Texas) | 1,232.25 mi (1,983.12 km) |
| Williamsport to Cornelius (North Carolina) | 449.52 mi (723.44 km) |
| Williamsport to Cornelius (Oregon) | 2,297.67 mi (3,697.74 km) |
| Williamsport to Corning (New York) | 62.68 mi (100.88 km) |
| Williamsport to Corona (California) | 2,256.38 mi (3,631.29 km) |
| Williamsport to Coronado (California) | 2,271.54 mi (3,655.69 km) |
| Williamsport to Corpus Christi (Texas) | 1,481.28 mi (2,383.89 km) |
| Williamsport to Corsicana (Texas) | 1,244.77 mi (2,003.26 km) |
| Williamsport to Cortland (New York) | 103.85 mi (167.13 km) |
| Williamsport to Corvallis (Oregon) | 2,320.12 mi (3,733.87 km) |
| Williamsport to Coshocton (Ohio) | 260.69 mi (419.54 km) |
| Williamsport to Costa Mesa (California) | 2,280.23 mi (3,669.68 km) |
| Williamsport to Coto de Caza (California) | 2,265.32 mi (3,645.67 km) |
