| Naperville to Butzbach | 4,340.27 mi (6,984.99 km) |
| Naperville to Buxtehude | 4,262.03 mi (6,859.07 km) |
| Naperville to Cadolzburg | 4,459.66 mi (7,177.13 km) |
| Naperville to Calbe | 4,394.77 mi (7,072.71 km) |
| Naperville to Calw | 4,409.37 mi (7,096.19 km) |
| Naperville to Castrop-Rauxel | 4,249.32 mi (6,838.63 km) |
| Naperville to Celle | 4,307.50 mi (6,932.26 km) |
| Naperville to Cham | 4,534.17 mi (7,297.04 km) |
| Naperville to Chemnitz | 4,477.73 mi (7,206.21 km) |
| Naperville to Clausthal-Zellerfeld | 4,347.94 mi (6,997.33 km) |
| Naperville to Cloppenburg | 4,227.67 mi (6,803.77 km) |
| Naperville to Coburg | 4,430.79 mi (7,130.67 km) |
| Naperville to Coesfeld | 4,229.17 mi (6,806.20 km) |
| Naperville to Cologne | 4,258.72 mi (6,853.74 km) |
| Naperville to Coswig | 4,488.93 mi (7,224.23 km) |
