| Mason City to Nordwalde | 4,342.09 mi (6,987.92 km) |
| Mason City to Northeim | 4,443.37 mi (7,150.91 km) |
| Mason City to Norvenich | 4,365.71 mi (7,025.94 km) |
| Mason City to Nossen | 4,582.39 mi (7,374.64 km) |
| Mason City to Nottuln | 4,344.03 mi (6,991.04 km) |
| Mason City to Numbrecht | 4,392.62 mi (7,069.25 km) |
| Mason City to Nuremberg | 4,577.56 mi (7,366.86 km) |
| Mason City to Nurtingen | 4,551.95 mi (7,325.66 km) |
| Mason City to Nussloch | 4,499.60 mi (7,241.41 km) |
| Mason City to Ober-Ramstadt | 4,479.89 mi (7,209.68 km) |
| Mason City to Oberasbach | 4,574.82 mi (7,362.46 km) |
| Mason City to Oberderdingen | 4,514.59 mi (7,265.52 km) |
| Mason City to Oberhaching | 4,658.84 mi (7,497.67 km) |
| Mason City to Oberhausen | 4,344.94 mi (6,992.51 km) |
| Mason City to Oberhausen-Rheinhausen | 4,494.87 mi (7,233.80 km) |
