| Birsfelden to Castle Rock (Colorado) | 5,141.51 mi (8,274.45 km) |
| Birsfelden to Castro Valley (California) | 5,780.54 mi (9,302.89 km) |
| Birsfelden to Catalina Foothills (Arizona) | 5,733.83 mi (9,227.71 km) |
| Birsfelden to Cataño (Puerto Rico) | 4,535.78 mi (7,299.63 km) |
| Birsfelden to Cathedral City (California) | 5,835.03 mi (9,390.57 km) |
| Birsfelden to Catonsville (Maryland) | 4,061.31 mi (6,536.05 km) |
| Birsfelden to Cave Spring (Virginia) | 4,287.62 mi (6,900.26 km) |
| Birsfelden to Cayce (South Carolina) | 4,480.28 mi (7,210.31 km) |
| Birsfelden to Cayey (Puerto Rico) | 4,552.34 mi (7,326.28 km) |
| Birsfelden to Cedar City (Utah) | 5,509.01 mi (8,865.89 km) |
| Birsfelden to Cedar Falls (Iowa) | 4,538.75 mi (7,304.41 km) |
| Birsfelden to Cedar Hill (Texas) | 5,201.02 mi (8,370.24 km) |
| Birsfelden to Cedar Lake (Indiana) | 4,401.55 mi (7,083.62 km) |
| Birsfelden to Cedar Mill (Oregon) | 5,339.95 mi (8,593.81 km) |
| Birsfelden to Cedar Park (Texas) | 5,341.09 mi (8,595.65 km) |
