| Gourock to Butzbach | 673.93 mi (1,084.58 km) |
| Gourock to Buxtehude | 602.89 mi (970.26 km) |
| Gourock to Cadolzburg | 792.82 mi (1,275.93 km) |
| Gourock to Calbe | 728.46 mi (1,172.34 km) |
| Gourock to Calw | 757.46 mi (1,219.01 km) |
| Gourock to Castrop-Rauxel | 580.45 mi (934.15 km) |
| Gourock to Celle | 641.81 mi (1,032.89 km) |
| Gourock to Cham | 864.84 mi (1,391.82 km) |
| Gourock to Chemnitz | 808.71 mi (1,301.49 km) |
| Gourock to Clausthal-Zellerfeld | 678.62 mi (1,092.13 km) |
| Gourock to Cloppenburg | 559.12 mi (899.81 km) |
| Gourock to Coburg | 760.92 mi (1,224.59 km) |
| Gourock to Coesfeld | 559.23 mi (899.99 km) |
| Gourock to Cologne | 594.37 mi (956.55 km) |
| Gourock to Coswig | 822.37 mi (1,323.47 km) |
