| Horsforth to Cloverly (Maryland) | 3,545.73 mi (5,706.30 km) |
| Horsforth to Clovis (California) | 5,169.39 mi (8,319.32 km) |
| Horsforth to Clovis (New Mexico) | 4,764.24 mi (7,667.30 km) |
| Horsforth to Clute (Texas) | 4,769.27 mi (7,675.40 km) |
| Horsforth to Coachella (California) | 5,241.66 mi (8,435.64 km) |
| Horsforth to Coalinga (California) | 5,228.49 mi (8,414.44 km) |
| Horsforth to Coamo (Puerto Rico) | 4,190.92 mi (6,744.63 km) |
| Horsforth to Coatesville (Pennsylvania) | 3,458.39 mi (5,565.74 km) |
| Horsforth to Cockeysville (Maryland) | 3,513.65 mi (5,654.67 km) |
| Horsforth to Cocoa (Florida) | 4,228.66 mi (6,805.37 km) |
| Horsforth to Cocoa Beach (Florida) | 4,225.59 mi (6,800.42 km) |
| Horsforth to Coconut Creek (Florida) | 4,314.66 mi (6,943.77 km) |
| Horsforth to Coeur d'Alene (Idaho) | 4,465.75 mi (7,186.94 km) |
| Horsforth to Cohoes (New York) | 3,249.27 mi (5,229.20 km) |
| Horsforth to Cold Springs (Nevada) | 5,011.70 mi (8,065.54 km) |
