| Iowa City to Newtown | 3,952.86 mi (6,361.52 km) |
| Iowa City to Normanton | 3,984.77 mi (6,412.86 km) |
| Iowa City to North Hykeham | 4,031.60 mi (6,488.24 km) |
| Iowa City to North Shields | 3,941.90 mi (6,343.88 km) |
| Iowa City to North Tidworth | 4,056.55 mi (6,528.39 km) |
| Iowa City to North Walsham | 4,115.38 mi (6,623.06 km) |
| Iowa City to Northallerton | 3,963.76 mi (6,379.06 km) |
| Iowa City to Northampton | 4,052.10 mi (6,521.22 km) |
| Iowa City to Northenden | 3,963.43 mi (6,378.53 km) |
| Iowa City to Northfield | 4,006.58 mi (6,447.96 km) |
| Iowa City to Northfleet | 4,124.85 mi (6,638.31 km) |
| Iowa City to Northolt | 4,094.70 mi (6,589.78 km) |
| Iowa City to Northwich | 3,958.65 mi (6,370.83 km) |
| Iowa City to Northwood | 4,091.07 mi (6,583.94 km) |
| Iowa City to Norton | 3,959.78 mi (6,372.65 km) |
