| Iowa City to Carmignano | 4,832.15 mi (7,776.60 km) |
| Iowa City to Carovigno | 5,229.68 mi (8,416.36 km) |
| Iowa City to Carpenedolo | 4,742.83 mi (7,632.84 km) |
| Iowa City to Carpi | 4,785.09 mi (7,700.85 km) |
| Iowa City to Carrara | 4,785.24 mi (7,701.11 km) |
| Iowa City to Carugate | 4,692.99 mi (7,552.64 km) |
| Iowa City to Casal di Principe | 5,078.44 mi (8,172.95 km) |
| Iowa City to Casale Monferrato | 4,676.75 mi (7,526.50 km) |
| Iowa City to Casale sul Sile | 4,804.46 mi (7,732.04 km) |
| Iowa City to Casalecchio di Reno | 4,813.41 mi (7,746.43 km) |
| Iowa City to Casalgrande | 4,787.98 mi (7,705.50 km) |
| Iowa City to Casalmaggiore | 4,758.43 mi (7,657.95 km) |
| Iowa City to Casalnuovo di Napoli | 5,091.48 mi (8,193.95 km) |
| Iowa City to Casalpusterlengo | 4,720.90 mi (7,597.55 km) |
| Iowa City to Casaluce | 5,081.81 mi (8,178.38 km) |
