| Mountain Ash to Butzbach | 529.31 mi (851.84 km) |
| Mountain Ash to Buxtehude | 562.15 mi (904.70 km) |
| Mountain Ash to Cadolzburg | 642.80 mi (1,034.49 km) |
| Mountain Ash to Calbe | 646.66 mi (1,040.70 km) |
| Mountain Ash to Calw | 572.69 mi (921.66 km) |
| Mountain Ash to Castrop-Rauxel | 458.56 mi (737.98 km) |
| Mountain Ash to Celle | 573.53 mi (923.01 km) |
| Mountain Ash to Cham | 723.87 mi (1,164.96 km) |
| Mountain Ash to Chemnitz | 705.59 mi (1,135.54 km) |
| Mountain Ash to Clausthal-Zellerfeld | 585.94 mi (942.98 km) |
| Mountain Ash to Cloppenburg | 489.44 mi (787.68 km) |
| Mountain Ash to Coburg | 630.68 mi (1,014.98 km) |
| Mountain Ash to Coesfeld | 450.43 mi (724.90 km) |
| Mountain Ash to Cologne | 448.83 mi (722.32 km) |
| Mountain Ash to Coswig | 730.40 mi (1,175.46 km) |
