| Ilsenburg to Butzbach | 132.03 mi (212.48 km) |
| Ilsenburg to Buxtehude | 118.62 mi (190.90 km) |
| Ilsenburg to Cadolzburg | 167.17 mi (269.04 km) |
| Ilsenburg to Calbe | 46.66 mi (75.09 km) |
| Ilsenburg to Calw | 234.03 mi (376.63 km) |
| Ilsenburg to Castrop-Rauxel | 145.78 mi (234.61 km) |
| Ilsenburg to Celle | 58.27 mi (93.78 km) |
| Ilsenburg to Cham | 202.42 mi (325.77 km) |
| Ilsenburg to Chemnitz | 119.94 mi (193.02 km) |
| Ilsenburg to Clausthal-Zellerfeld | 15.44 mi (24.86 km) |
| Ilsenburg to Cloppenburg | 130.23 mi (209.58 km) |
| Ilsenburg to Coburg | 111.23 mi (179.01 km) |
| Ilsenburg to Coesfeld | 149.99 mi (241.39 km) |
| Ilsenburg to Cologne | 173.15 mi (278.65 km) |
| Ilsenburg to Coswig | 134.62 mi (216.65 km) |
