| Potomac to Wheaton (Maryland) | 7.74 mi (12.46 km) |
| Potomac to Wheeling (Illinois) | 602.36 mi (969.40 km) |
| Potomac to Wheeling (West Virginia) | 200.39 mi (322.50 km) |
| Potomac to White Bear Lake (Minnesota) | 910.98 mi (1,466.09 km) |
| Potomac to White Center (Washington) | 2,311.57 mi (3,720.12 km) |
| Potomac to White House (Tennessee) | 546.39 mi (879.33 km) |
| Potomac to White Oak (Maryland) | 11.25 mi (18.11 km) |
| Potomac to White Oak (Ohio) | 397.46 mi (639.66 km) |
| Potomac to White Plains (New York) | 228.82 mi (368.25 km) |
| Potomac to White Settlement (Texas) | 1,210.84 mi (1,948.65 km) |
| Potomac to Whitefish Bay (Wisconsin) | 624.86 mi (1,005.61 km) |
| Potomac to Whitehall (Ohio) | 310.36 mi (499.48 km) |
| Potomac to Whitewater (Wisconsin) | 657.06 mi (1,057.43 km) |
| Potomac to Whitney (Nevada) | 2,067.65 mi (3,327.56 km) |
| Potomac to Whittier (California) | 2,275.12 mi (3,661.46 km) |
