| Naperville to Cassina de' Pecchi | 4,561.07 mi (7,340.33 km) |
| Naperville to Cassino | 4,907.84 mi (7,898.40 km) |
| Naperville to Castagneto Carducci | 4,706.92 mi (7,575.05 km) |
| Naperville to Castano Primo | 4,536.17 mi (7,300.25 km) |
| Naperville to Castel Bolognese | 4,706.06 mi (7,573.66 km) |
| Naperville to Castel Gandolfo | 4,849.76 mi (7,804.93 km) |
| Naperville to Castel Goffredo | 4,613.34 mi (7,424.46 km) |
| Naperville to Castel Maggiore | 4,678.58 mi (7,529.45 km) |
| Naperville to Castel Mella | 4,592.37 mi (7,390.71 km) |
| Naperville to Castel San Giorgio | 4,974.18 mi (8,005.17 km) |
| Naperville to Castel San Giovanni | 4,582.66 mi (7,375.08 km) |
| Naperville to Castel San Pietro Terme | 4,694.06 mi (7,554.36 km) |
| Naperville to Castel Volturno | 4,930.98 mi (7,935.65 km) |
| Naperville to Castelbuono | 5,077.12 mi (8,170.84 km) |
| Naperville to Casteldaccia | 5,048.39 mi (8,124.59 km) |
