| Williamstown to Portage (Indiana) | 652.44 mi (1,050.00 km) |
| Williamstown to Portage (Michigan) | 579.95 mi (933.33 km) |
| Williamstown to Portage (Wisconsin) | 793.17 mi (1,276.49 km) |
| Williamstown to Portales (New Mexico) | 1,605.63 mi (2,584.01 km) |
| Williamstown to Porterville (California) | 2,391.60 mi (3,848.91 km) |
| Williamstown to Portland (Maine) | 367.29 mi (591.09 km) |
| Williamstown to Portland (Oregon) | 2,421.12 mi (3,896.42 km) |
| Williamstown to Portland (Tennessee) | 662.26 mi (1,065.80 km) |
| Williamstown to Portland (Texas) | 1,513.50 mi (2,435.74 km) |
| Williamstown to Portsmouth (New Hampshire) | 318.61 mi (512.76 km) |
| Williamstown to Portsmouth (Ohio) | 431.10 mi (693.79 km) |
| Williamstown to Portsmouth (Virginia) | 209.96 mi (337.90 km) |
| Williamstown to Post Falls (Idaho) | 2,139.68 mi (3,443.48 km) |
| Williamstown to Potomac (Maryland) | 127.19 mi (204.69 km) |
| Williamstown to Potomac Park (California) | 2,404.60 mi (3,869.83 km) |
