| Smolyan to Buxtehude | 1,074.86 mi (1,729.82 km) |
| Smolyan to Cadolzburg | 860.20 mi (1,384.36 km) |
| Smolyan to Calbe | 936.80 mi (1,507.63 km) |
| Smolyan to Calw | 918.22 mi (1,477.73 km) |
| Smolyan to Castrop-Rauxel | 1,070.43 mi (1,722.70 km) |
| Smolyan to Celle | 1,023.11 mi (1,646.53 km) |
| Smolyan to Cham | 785.63 mi (1,264.35 km) |
| Smolyan to Chemnitz | 849.93 mi (1,367.83 km) |
| Smolyan to Clausthal-Zellerfeld | 977.51 mi (1,573.14 km) |
| Smolyan to Cloppenburg | 1,097.89 mi (1,766.88 km) |
| Smolyan to Coburg | 889.40 mi (1,431.35 km) |
| Smolyan to Coesfeld | 1,091.09 mi (1,755.94 km) |
| Smolyan to Cologne | 1,061.38 mi (1,708.13 km) |
| Smolyan to Coswig | 844.47 mi (1,359.04 km) |
| Smolyan to Coswig | 916.10 mi (1,474.32 km) |
