| Iowa City to Nordwalde | 4,359.86 mi (7,016.52 km) |
| Iowa City to Northeim | 4,462.71 mi (7,182.04 km) |
| Iowa City to Norvenich | 4,379.98 mi (7,048.90 km) |
| Iowa City to Nossen | 4,603.64 mi (7,408.84 km) |
| Iowa City to Nottuln | 4,361.35 mi (7,018.92 km) |
| Iowa City to Numbrecht | 4,407.96 mi (7,093.93 km) |
| Iowa City to Nuremberg | 4,593.42 mi (7,392.40 km) |
| Iowa City to Nurtingen | 4,564.40 mi (7,345.68 km) |
| Iowa City to Nussloch | 4,512.79 mi (7,262.64 km) |
| Iowa City to Ober-Ramstadt | 4,494.18 mi (7,232.68 km) |
| Iowa City to Oberasbach | 4,590.50 mi (7,387.70 km) |
| Iowa City to Oberderdingen | 4,527.36 mi (7,286.07 km) |
| Iowa City to Oberhaching | 4,672.41 mi (7,519.51 km) |
| Iowa City to Oberhausen | 4,360.90 mi (7,018.19 km) |
| Iowa City to Oberhausen-Rheinhausen | 4,507.73 mi (7,254.48 km) |
