| Williamstown to Marrero (Louisiana) | 1,090.96 mi (1,755.73 km) |
| Williamstown to Marshall (Minnesota) | 1,113.43 mi (1,791.89 km) |
| Williamstown to Marshall (Missouri) | 972.02 mi (1,564.32 km) |
| Williamstown to Marshall (Texas) | 1,185.57 mi (1,907.99 km) |
| Williamstown to Marshalltown (Iowa) | 948.94 mi (1,527.18 km) |
| Williamstown to Marshfield (Wisconsin) | 848.86 mi (1,366.10 km) |
| Williamstown to Martha Lake (Washington) | 2,384.83 mi (3,838.01 km) |
| Williamstown to Martin (Tennessee) | 788.87 mi (1,269.57 km) |
| Williamstown to Martinez (California) | 2,509.89 mi (4,039.28 km) |
| Williamstown to Martinez (Georgia) | 580.53 mi (934.27 km) |
| Williamstown to Martinsburg (West Virginia) | 160.50 mi (258.29 km) |
| Williamstown to Martinsville (Indiana) | 610.03 mi (981.75 km) |
| Williamstown to Martinsville (New Jersey) | 66.75 mi (107.43 km) |
| Williamstown to Martinsville (Virginia) | 336.78 mi (542.00 km) |
| Williamstown to Maryland City (Maryland) | 105.59 mi (169.93 km) |
