| Potomac to North Tonawanda (New York) | 291.85 mi (469.68 km) |
| Potomac to North Tustin (California) | 2,268.18 mi (3,650.28 km) |
| Potomac to North Valley (New Mexico) | 1,636.13 mi (2,633.10 km) |
| Potomac to North Valley Stream (New York) | 217.96 mi (350.77 km) |
| Potomac to North Wantagh (New York) | 227.47 mi (366.08 km) |
| Potomac to Northampton (Massachusetts) | 329.28 mi (529.92 km) |
| Potomac to Northampton (Pennsylvania) | 146.70 mi (236.09 km) |
| Potomac to Northbrook (Illinois) | 597.98 mi (962.36 km) |
| Potomac to Northbrook (Ohio) | 396.04 mi (637.37 km) |
| Potomac to Northdale (Florida) | 813.40 mi (1,309.03 km) |
| Potomac to Northfield (Minnesota) | 903.39 mi (1,453.87 km) |
| Potomac to Northglenn (Colorado) | 1,477.39 mi (2,377.63 km) |
| Potomac to Northlake (Illinois) | 597.14 mi (961.00 km) |
| Potomac to Northport (Alabama) | 702.98 mi (1,131.34 km) |
| Potomac to Northview (Michigan) | 518.75 mi (834.85 km) |
