| Des Moines to Collegno | 4,729.10 mi (7,610.76 km) |
| Des Moines to Cologno al Serio | 4,788.39 mi (7,706.17 km) |
| Des Moines to Cologno Monzese | 4,774.86 mi (7,684.39 km) |
| Des Moines to Colorno | 4,842.53 mi (7,793.29 km) |
| Des Moines to Comacchio | 4,920.48 mi (7,918.75 km) |
| Des Moines to Comiso | 5,372.55 mi (8,646.28 km) |
| Des Moines to Como | 4,755.47 mi (7,653.18 km) |
| Des Moines to Concordia Sagittaria | 4,897.22 mi (7,881.31 km) |
| Des Moines to Concorezzo | 4,774.39 mi (7,683.65 km) |
| Des Moines to Conegliano | 4,871.59 mi (7,840.06 km) |
| Des Moines to Conselice | 4,915.59 mi (7,910.88 km) |
| Des Moines to Conselve | 4,884.83 mi (7,861.38 km) |
| Des Moines to Conversano | 5,278.82 mi (8,495.43 km) |
| Des Moines to Copertino | 5,347.63 mi (8,606.17 km) |
| Des Moines to Copparo | 4,898.46 mi (7,883.31 km) |
