| Smolyan to Campos del Puerto | 1,145.55 mi (1,843.59 km) |
| Smolyan to Canals | 1,340.31 mi (2,157.03 km) |
| Smolyan to Candelaria | 2,470.81 mi (3,976.39 km) |
| Smolyan to Canet de Mar | 1,139.82 mi (1,834.37 km) |
| Smolyan to Cangas | 1,710.72 mi (2,753.14 km) |
| Smolyan to Cangas de Narcea | 1,588.97 mi (2,557.19 km) |
| Smolyan to Canovellas | 1,155.03 mi (1,858.85 km) |
| Smolyan to Canteras | 1,392.30 mi (2,240.69 km) |
| Smolyan to Cantillana | 1,639.17 mi (2,637.98 km) |
| Smolyan to Capdepera | 1,119.66 mi (1,801.92 km) |
| Smolyan to Carballo | 1,695.71 mi (2,728.98 km) |
| Smolyan to Carcagente | 1,330.28 mi (2,140.88 km) |
| Smolyan to Cardedeu | 1,150.83 mi (1,852.09 km) |
| Smolyan to Carlet | 1,332.11 mi (2,143.83 km) |
| Smolyan to Carmona | 1,632.75 mi (2,627.65 km) |
