| Riihimaki to Cookeville (Tennessee) | 4,684.84 mi (7,539.52 km) |
| Riihimaki to Coolidge (Arizona) | 5,511.14 mi (8,869.31 km) |
| Riihimaki to Coon Rapids (Minnesota) | 4,341.55 mi (6,987.06 km) |
| Riihimaki to Cooper City (Florida) | 5,140.31 mi (8,272.53 km) |
| Riihimaki to Coos Bay (Oregon) | 5,034.69 mi (8,102.55 km) |
| Riihimaki to Copiague (New York) | 4,072.53 mi (6,554.10 km) |
| Riihimaki to Coppell (Texas) | 5,182.18 mi (8,339.91 km) |
| Riihimaki to Copperas Cove (Texas) | 5,320.53 mi (8,562.57 km) |
| Riihimaki to Coral Gables (Florida) | 5,160.50 mi (8,305.02 km) |
| Riihimaki to Coral Springs (Florida) | 5,126.00 mi (8,249.50 km) |
| Riihimaki to Coral Terrace (Florida) | 5,158.94 mi (8,302.52 km) |
| Riihimaki to Coralville (Iowa) | 4,510.28 mi (7,258.60 km) |
| Riihimaki to Coram (New York) | 4,049.10 mi (6,516.39 km) |
| Riihimaki to Corcoran (California) | 5,450.19 mi (8,771.24 km) |
| Riihimaki to Cordele (Georgia) | 4,887.68 mi (7,865.96 km) |
