| Slough to Castle Rock (Colorado) | 4,683.84 mi (7,537.92 km) |
| Slough to Castro Valley (California) | 5,333.61 mi (8,583.61 km) |
| Slough to Catalina Foothills (Arizona) | 5,275.98 mi (8,490.87 km) |
| Slough to Cataño (Puerto Rico) | 4,182.63 mi (6,731.30 km) |
| Slough to Cathedral City (California) | 5,380.03 mi (8,658.32 km) |
| Slough to Catonsville (Maryland) | 3,617.76 mi (5,822.23 km) |
| Slough to Cave Spring (Virginia) | 3,843.84 mi (6,186.06 km) |
| Slough to Cayce (South Carolina) | 4,041.09 mi (6,503.50 km) |
| Slough to Cayey (Puerto Rico) | 4,200.38 mi (6,759.85 km) |
| Slough to Cedar City (Utah) | 5,054.02 mi (8,133.65 km) |
| Slough to Cedar Falls (Iowa) | 4,081.08 mi (6,567.86 km) |
| Slough to Cedar Hill (Texas) | 4,746.59 mi (7,638.89 km) |
| Slough to Cedar Lake (Indiana) | 3,946.25 mi (6,350.88 km) |
| Slough to Cedar Mill (Oregon) | 4,902.97 mi (7,890.57 km) |
| Slough to Cedar Park (Texas) | 4,887.58 mi (7,865.80 km) |
