| Helston to Butzbach | 614.84 mi (989.49 km) |
| Helston to Buxtehude | 679.49 mi (1,093.54 km) |
| Helston to Cadolzburg | 720.01 mi (1,158.74 km) |
| Helston to Calbe | 749.76 mi (1,206.61 km) |
| Helston to Calw | 635.78 mi (1,023.19 km) |
| Helston to Castrop-Rauxel | 557.68 mi (897.50 km) |
| Helston to Celle | 683.46 mi (1,099.92 km) |
| Helston to Cham | 801.89 mi (1,290.52 km) |
| Helston to Chemnitz | 799.42 mi (1,286.54 km) |
| Helston to Clausthal-Zellerfeld | 688.01 mi (1,107.24 km) |
| Helston to Cloppenburg | 602.85 mi (970.19 km) |
| Helston to Coburg | 717.02 mi (1,153.94 km) |
| Helston to Coesfeld | 554.64 mi (892.60 km) |
| Helston to Cologne | 539.44 mi (868.15 km) |
| Helston to Coswig | 827.32 mi (1,331.44 km) |
