| Riihimaki to Centralia (Illinois) | 4,639.17 mi (7,466.03 km) |
| Riihimaki to Centralia (Washington) | 4,795.62 mi (7,717.81 km) |
| Riihimaki to Centreville (Virginia) | 4,296.76 mi (6,914.96 km) |
| Riihimaki to Ceres (California) | 5,372.32 mi (8,645.91 km) |
| Riihimaki to Cerritos (California) | 5,571.59 mi (8,966.61 km) |
| Riihimaki to Chalco (Nebraska) | 4,651.99 mi (7,486.66 km) |
| Riihimaki to Chalmette (Louisiana) | 5,184.54 mi (8,343.70 km) |
| Riihimaki to Chambersburg (Pennsylvania) | 4,239.60 mi (6,822.98 km) |
| Riihimaki to Chamblee (Georgia) | 4,786.92 mi (7,703.81 km) |
| Riihimaki to Champaign (Illinois) | 4,521.05 mi (7,275.92 km) |
| Riihimaki to Champlin (Minnesota) | 4,343.78 mi (6,990.65 km) |
| Riihimaki to Chandler (Arizona) | 5,495.12 mi (8,843.54 km) |
| Riihimaki to Chanhassen (Minnesota) | 4,366.93 mi (7,027.90 km) |
| Riihimaki to Channahon (Illinois) | 4,442.34 mi (7,149.25 km) |
| Riihimaki to Channelview (Texas) | 5,331.95 mi (8,580.95 km) |
