| Birsfelden to Cicero (Illinois) | 4,392.27 mi (7,068.68 km) |
| Birsfelden to Cimarron Hills (Colorado) | 5,163.37 mi (8,309.64 km) |
| Birsfelden to Cincinnati (Ohio) | 4,386.78 mi (7,059.84 km) |
| Birsfelden to Cinco Ranch (Texas) | 5,298.05 mi (8,526.39 km) |
| Birsfelden to Circleville (Ohio) | 4,302.16 mi (6,923.65 km) |
| Birsfelden to Citrus (California) | 5,864.41 mi (9,437.86 km) |
| Birsfelden to Citrus Heights (California) | 5,700.48 mi (9,174.04 km) |
| Birsfelden to Citrus Park (Florida) | 4,822.62 mi (7,761.25 km) |
| Birsfelden to Claiborne (Louisiana) | 5,012.88 mi (8,067.45 km) |
| Birsfelden to Claremont (California) | 5,858.35 mi (9,428.10 km) |
| Birsfelden to Claremont (New Hampshire) | 3,708.77 mi (5,968.69 km) |
| Birsfelden to Claremore (Oklahoma) | 4,960.14 mi (7,982.58 km) |
| Birsfelden to Clarksburg (Maryland) | 4,085.00 mi (6,574.17 km) |
| Birsfelden to Clarksburg (West Virginia) | 4,209.50 mi (6,774.54 km) |
| Birsfelden to Clarksdale (Mississippi) | 4,865.47 mi (7,830.21 km) |
