| Selfoss to Castle Rock (Colorado) | 3,639.92 mi (5,857.88 km) |
| Selfoss to Castro Valley (California) | 4,224.10 mi (6,798.04 km) |
| Selfoss to Catalina Foothills (Arizona) | 4,232.75 mi (6,811.96 km) |
| Selfoss to Cataño (Puerto Rico) | 3,778.11 mi (6,080.28 km) |
| Selfoss to Cathedral City (California) | 4,301.90 mi (6,923.24 km) |
| Selfoss to Catonsville (Maryland) | 2,800.54 mi (4,507.03 km) |
| Selfoss to Cave Spring (Virginia) | 3,015.82 mi (4,853.49 km) |
| Selfoss to Cayce (South Carolina) | 3,238.51 mi (5,211.88 km) |
| Selfoss to Cayey (Puerto Rico) | 3,799.19 mi (6,114.20 km) |
| Selfoss to Cedar City (Utah) | 3,977.08 mi (6,400.49 km) |
| Selfoss to Cedar Falls (Iowa) | 3,092.34 mi (4,976.64 km) |
| Selfoss to Cedar Hill (Texas) | 3,800.26 mi (6,115.93 km) |
| Selfoss to Cedar Lake (Indiana) | 3,004.81 mi (4,835.78 km) |
| Selfoss to Cedar Mill (Oregon) | 3,778.01 mi (6,080.12 km) |
| Selfoss to Cedar Park (Texas) | 3,948.99 mi (6,355.29 km) |
