| Iowa City to Chaudfontaine | 4,351.42 mi (7,002.93 km) |
| Iowa City to Chaumont-Gistoux | 4,313.25 mi (6,941.50 km) |
| Iowa City to Chimay | 4,323.21 mi (6,957.54 km) |
| Iowa City to Ciney | 4,342.70 mi (6,988.89 km) |
| Iowa City to Colfontaine | 4,292.59 mi (6,908.26 km) |
| Iowa City to Courcelles | 4,310.02 mi (6,936.31 km) |
| Iowa City to Court-Saint-Etienne | 4,310.46 mi (6,937.01 km) |
| Iowa City to Couvin | 4,329.40 mi (6,967.50 km) |
| Iowa City to Damme | 4,240.44 mi (6,824.33 km) |
| Iowa City to De Haan | 4,230.43 mi (6,808.22 km) |
| Iowa City to De Panne | 4,220.37 mi (6,792.04 km) |
| Iowa City to De Pinte | 4,263.09 mi (6,860.79 km) |
| Iowa City to Deerlijk | 4,257.58 mi (6,851.91 km) |
| Iowa City to Deinze | 4,259.42 mi (6,854.87 km) |
| Iowa City to Denderleeuw | 4,283.34 mi (6,893.36 km) |
