| Riihimaki to Clarkston (Georgia) | 4,789.56 mi (7,708.06 km) |
| Riihimaki to Clarksville (Indiana) | 4,561.63 mi (7,341.23 km) |
| Riihimaki to Clarksville (Tennessee) | 4,709.58 mi (7,579.34 km) |
| Riihimaki to Clawson (Michigan) | 4,241.19 mi (6,825.53 km) |
| Riihimaki to Clay (Alabama) | 4,863.09 mi (7,826.39 km) |
| Riihimaki to Clayton (California) | 5,364.12 mi (8,632.72 km) |
| Riihimaki to Clayton (Missouri) | 4,663.22 mi (7,504.73 km) |
| Riihimaki to Clayton (North Carolina) | 4,512.38 mi (7,261.97 km) |
| Riihimaki to Clayton (Ohio) | 4,430.41 mi (7,130.05 km) |
| Riihimaki to Clearfield (Utah) | 4,991.42 mi (8,032.92 km) |
| Riihimaki to Clearlake (California) | 5,306.79 mi (8,540.45 km) |
| Riihimaki to Clearwater (Florida) | 5,098.10 mi (8,204.61 km) |
| Riihimaki to Cleburne (Texas) | 5,230.67 mi (8,417.94 km) |
| Riihimaki to Clemmons (North Carolina) | 4,546.84 mi (7,317.43 km) |
| Riihimaki to Clemson (South Carolina) | 4,696.69 mi (7,558.59 km) |
