| Illingen to Cicero (Illinois) | 4,300.88 mi (6,921.60 km) |
| Illingen to Cimarron Hills (Colorado) | 5,060.55 mi (8,144.18 km) |
| Illingen to Cincinnati (Ohio) | 4,302.13 mi (6,923.61 km) |
| Illingen to Cinco Ranch (Texas) | 5,213.46 mi (8,390.26 km) |
| Illingen to Circleville (Ohio) | 4,218.38 mi (6,788.83 km) |
| Illingen to Citrus (California) | 5,754.27 mi (9,260.60 km) |
| Illingen to Citrus Heights (California) | 5,585.17 mi (8,988.46 km) |
| Illingen to Citrus Park (Florida) | 4,756.10 mi (7,654.20 km) |
| Illingen to Claiborne (Louisiana) | 4,928.91 mi (7,932.32 km) |
| Illingen to Claremont (California) | 5,748.34 mi (9,251.06 km) |
| Illingen to Claremont (New Hampshire) | 3,629.02 mi (5,840.34 km) |
| Illingen to Claremore (Oklahoma) | 4,868.18 mi (7,834.58 km) |
| Illingen to Clarksburg (Maryland) | 4,007.51 mi (6,449.46 km) |
| Illingen to Clarksburg (West Virginia) | 4,128.80 mi (6,644.66 km) |
| Illingen to Clarksdale (Mississippi) | 4,781.20 mi (7,694.60 km) |
