| Williamstown to Camarillo (California) | 2,436.79 mi (3,921.63 km) |
| Williamstown to Camas (Washington) | 2,410.01 mi (3,878.54 km) |
| Williamstown to Cambridge (Maryland) | 98.17 mi (157.98 km) |
| Williamstown to Cambridge (Massachusetts) | 273.77 mi (440.60 km) |
| Williamstown to Camden (Arkansas) | 1,074.77 mi (1,729.67 km) |
| Williamstown to Camden (New Jersey) | 18.49 mi (29.76 km) |
| Williamstown to Cameron Park (California) | 2,437.66 mi (3,923.04 km) |
| Williamstown to Camp Pendleton South (California) | 2,376.20 mi (3,824.12 km) |
| Williamstown to Camp Springs (Maryland) | 120.43 mi (193.82 km) |
| Williamstown to Camp Verde (Arizona) | 2,047.30 mi (3,294.81 km) |
| Williamstown to Campbell (California) | 2,516.99 mi (4,050.70 km) |
| Williamstown to Campbellsville (Kentucky) | 583.25 mi (938.65 km) |
| Williamstown to Campton Hills (Illinois) | 719.01 mi (1,157.14 km) |
| Williamstown to Canby (Oregon) | 2,425.48 mi (3,903.44 km) |
| Williamstown to Candelaria (Puerto Rico) | 1,560.81 mi (2,511.88 km) |
