| Wilmette to Collegno | 4,475.96 mi (7,203.36 km) |
| Wilmette to Cologno al Serio | 4,539.52 mi (7,305.65 km) |
| Wilmette to Cologno Monzese | 4,525.25 mi (7,282.68 km) |
| Wilmette to Colorno | 4,592.93 mi (7,391.61 km) |
| Wilmette to Comacchio | 4,672.92 mi (7,520.33 km) |
| Wilmette to Comiso | 5,110.68 mi (8,224.84 km) |
| Wilmette to Como | 4,506.33 mi (7,252.24 km) |
| Wilmette to Concordia Sagittaria | 4,653.44 mi (7,488.99 km) |
| Wilmette to Concorezzo | 4,525.03 mi (7,282.33 km) |
| Wilmette to Conegliano | 4,627.29 mi (7,446.91 km) |
| Wilmette to Conselice | 4,667.04 mi (7,510.87 km) |
| Wilmette to Conselve | 4,638.18 mi (7,464.43 km) |
| Wilmette to Conversano | 5,029.78 mi (8,094.65 km) |
| Wilmette to Copertino | 5,098.50 mi (8,205.24 km) |
| Wilmette to Copparo | 4,650.89 mi (7,484.89 km) |
