| Slough to Caño Martin Peña (Puerto Rico) | 4,179.00 mi (6,725.45 km) |
| Slough to Cañon City (Colorado) | 4,745.70 mi (7,637.47 km) |
| Slough to Canóvanas (Puerto Rico) | 4,175.85 mi (6,720.37 km) |
| Slough to Canton (Georgia) | 4,167.84 mi (6,707.48 km) |
| Slough to Canton (Illinois) | 4,083.63 mi (6,571.97 km) |
| Slough to Canton (Mississippi) | 4,472.96 mi (7,198.53 km) |
| Slough to Canton (Ohio) | 3,734.89 mi (6,010.72 km) |
| Slough to Canyon (Texas) | 4,808.54 mi (7,738.59 km) |
| Slough to Canyon Lake (California) | 5,414.55 mi (8,713.87 km) |
| Slough to Canyon Lake (Texas) | 4,938.00 mi (7,946.94 km) |
| Slough to Cape Coral (Florida) | 4,440.69 mi (7,146.60 km) |
| Slough to Cape Girardeau (Missouri) | 4,221.48 mi (6,793.81 km) |
| Slough to Carbondale (Illinois) | 4,188.42 mi (6,740.61 km) |
| Slough to Carlisle (Pennsylvania) | 3,594.94 mi (5,785.50 km) |
| Slough to Carlsbad (California) | 5,447.33 mi (8,766.63 km) |
