| Potomac to Newtown | 3,516.21 mi (5,658.79 km) |
| Potomac to Normanton | 3,569.31 mi (5,744.24 km) |
| Potomac to North Hykeham | 3,612.15 mi (5,813.20 km) |
| Potomac to North Shields | 3,543.66 mi (5,702.97 km) |
| Potomac to North Tidworth | 3,609.15 mi (5,808.37 km) |
| Potomac to North Walsham | 3,697.92 mi (5,951.23 km) |
| Potomac to Northallerton | 3,556.65 mi (5,723.87 km) |
| Potomac to Northampton | 3,619.60 mi (5,825.18 km) |
| Potomac to Northenden | 3,541.60 mi (5,699.65 km) |
| Potomac to Northfield | 3,572.84 mi (5,749.92 km) |
| Potomac to Northfleet | 3,686.77 mi (5,933.29 km) |
| Potomac to Northolt | 3,655.48 mi (5,882.93 km) |
| Potomac to Northwich | 3,534.09 mi (5,687.57 km) |
| Potomac to Northwood | 3,652.36 mi (5,877.90 km) |
| Potomac to Norton | 3,556.33 mi (5,723.36 km) |
