| Riihimaki to Castle Rock (Colorado) | 4,960.44 mi (7,983.05 km) |
| Riihimaki to Castro Valley (California) | 5,381.49 mi (8,660.67 km) |
| Riihimaki to Catalina Foothills (Arizona) | 5,539.22 mi (8,914.51 km) |
| Riihimaki to Cataño (Puerto Rico) | 5,142.15 mi (8,275.49 km) |
| Riihimaki to Cathedral City (California) | 5,545.59 mi (8,924.77 km) |
| Riihimaki to Catonsville (Maryland) | 4,251.78 mi (6,842.58 km) |
| Riihimaki to Cave Spring (Virginia) | 4,465.49 mi (7,186.50 km) |
| Riihimaki to Cayce (South Carolina) | 4,689.65 mi (7,547.27 km) |
| Riihimaki to Cayey (Puerto Rico) | 5,161.99 mi (8,307.42 km) |
| Riihimaki to Cedar City (Utah) | 5,232.93 mi (8,421.59 km) |
| Riihimaki to Cedar Falls (Iowa) | 4,481.72 mi (7,212.64 km) |
| Riihimaki to Cedar Hill (Texas) | 5,205.28 mi (8,377.09 km) |
| Riihimaki to Cedar Lake (Indiana) | 4,424.07 mi (7,119.86 km) |
| Riihimaki to Cedar Mill (Oregon) | 4,872.13 mi (7,840.93 km) |
| Riihimaki to Cedar Park (Texas) | 5,356.30 mi (8,620.13 km) |
