| Peoria to Collegno | 4,609.66 mi (7,418.54 km) |
| Peoria to Cologno al Serio | 4,673.39 mi (7,521.09 km) |
| Peoria to Cologno Monzese | 4,659.09 mi (7,498.08 km) |
| Peoria to Colorno | 4,726.77 mi (7,607.01 km) |
| Peoria to Comacchio | 4,806.81 mi (7,735.81 km) |
| Peoria to Comiso | 5,243.69 mi (8,438.91 km) |
| Peoria to Como | 4,640.19 mi (7,467.66 km) |
| Peoria to Concordia Sagittaria | 4,787.38 mi (7,704.55 km) |
| Peoria to Concorezzo | 4,658.88 mi (7,497.74 km) |
| Peoria to Conegliano | 4,761.24 mi (7,662.47 km) |
| Peoria to Conselice | 4,800.91 mi (7,726.31 km) |
| Peoria to Conselve | 4,772.09 mi (7,679.94 km) |
| Peoria to Conversano | 5,163.63 mi (8,310.05 km) |
| Peoria to Copertino | 5,232.34 mi (8,420.63 km) |
| Peoria to Copparo | 4,784.78 mi (7,700.37 km) |
