| Mason City to Newtown | 3,943.45 mi (6,346.36 km) |
| Mason City to Normanton | 3,970.97 mi (6,390.66 km) |
| Mason City to North Hykeham | 4,018.37 mi (6,466.94 km) |
| Mason City to North Shields | 3,924.95 mi (6,316.60 km) |
| Mason City to North Tidworth | 4,048.82 mi (6,515.95 km) |
| Mason City to North Walsham | 4,101.36 mi (6,600.50 km) |
| Mason City to Northallerton | 3,948.43 mi (6,354.38 km) |
| Mason City to Northampton | 4,041.37 mi (6,503.96 km) |
| Mason City to Northenden | 3,951.00 mi (6,358.52 km) |
| Mason City to Northfield | 3,996.31 mi (6,431.44 km) |
| Mason City to Northfleet | 4,114.91 mi (6,622.32 km) |
| Mason City to Northolt | 4,085.13 mi (6,574.38 km) |
| Mason City to Northwich | 3,946.78 mi (6,351.73 km) |
| Mason City to Northwood | 4,081.41 mi (6,568.40 km) |
| Mason City to Norton | 3,943.75 mi (6,346.86 km) |
