| Riihimaki to Cloverly (Maryland) | 4,268.44 mi (6,869.39 km) |
| Riihimaki to Clovis (California) | 5,402.99 mi (8,695.27 km) |
| Riihimaki to Clovis (New Mexico) | 5,237.23 mi (8,428.50 km) |
| Riihimaki to Clute (Texas) | 5,387.02 mi (8,669.57 km) |
| Riihimaki to Coachella (California) | 5,549.41 mi (8,930.91 km) |
| Riihimaki to Coalinga (California) | 5,458.62 mi (8,784.80 km) |
| Riihimaki to Coamo (Puerto Rico) | 5,170.96 mi (8,321.86 km) |
| Riihimaki to Coatesville (Pennsylvania) | 4,183.24 mi (6,732.28 km) |
| Riihimaki to Cockeysville (Maryland) | 4,235.99 mi (6,817.17 km) |
| Riihimaki to Cocoa (Florida) | 5,014.34 mi (8,069.81 km) |
| Riihimaki to Cocoa Beach (Florida) | 5,013.10 mi (8,067.80 km) |
| Riihimaki to Coconut Creek (Florida) | 5,123.12 mi (8,244.86 km) |
| Riihimaki to Coeur d'Alene (Idaho) | 4,642.83 mi (7,471.91 km) |
| Riihimaki to Cohoes (New York) | 3,962.39 mi (6,376.85 km) |
| Riihimaki to Cold Springs (Nevada) | 5,218.25 mi (8,397.96 km) |
