| Buffalo Grove to Collegno | 4,481.31 mi (7,211.97 km) |
| Buffalo Grove to Cologno al Serio | 4,544.57 mi (7,313.78 km) |
| Buffalo Grove to Cologno Monzese | 4,530.35 mi (7,290.89 km) |
| Buffalo Grove to Colorno | 4,598.04 mi (7,399.82 km) |
| Buffalo Grove to Comacchio | 4,677.88 mi (7,528.32 km) |
| Buffalo Grove to Comiso | 5,116.73 mi (8,234.59 km) |
| Buffalo Grove to Como | 4,511.39 mi (7,260.39 km) |
| Buffalo Grove to Concordia Sagittaria | 4,658.13 mi (7,496.54 km) |
| Buffalo Grove to Concorezzo | 4,530.11 mi (7,290.50 km) |
| Buffalo Grove to Conegliano | 4,632.02 mi (7,454.52 km) |
| Buffalo Grove to Conselice | 4,672.07 mi (7,518.97 km) |
| Buffalo Grove to Conselve | 4,643.08 mi (7,472.31 km) |
| Buffalo Grove to Conversano | 5,034.88 mi (8,102.85 km) |
| Buffalo Grove to Copertino | 5,103.60 mi (8,213.46 km) |
| Buffalo Grove to Copparo | 4,655.85 mi (7,492.87 km) |
