| Bettendorf to Carson (California) | 1,601.39 mi (2,577.19 km) |
| Bettendorf to Carson City (Nevada) | 1,542.67 mi (2,482.69 km) |
| Bettendorf to Carteret (New Jersey) | 847.74 mi (1,364.31 km) |
| Bettendorf to Cartersville (Georgia) | 597.45 mi (961.50 km) |
| Bettendorf to Carthage (Missouri) | 367.72 mi (591.79 km) |
| Bettendorf to Cary (Illinois) | 122.97 mi (197.89 km) |
| Bettendorf to Cary (North Carolina) | 744.03 mi (1,197.40 km) |
| Bettendorf to Casa de Oro-Mount Helix (California) | 1,572.31 mi (2,530.39 km) |
| Bettendorf to Casa Grande (Arizona) | 1,309.95 mi (2,108.16 km) |
| Bettendorf to Casas Adobes (Arizona) | 1,295.81 mi (2,085.40 km) |
| Bettendorf to Cascades (Virginia) | 710.52 mi (1,143.47 km) |
| Bettendorf to Casper (Wyoming) | 814.49 mi (1,310.80 km) |
| Bettendorf to Casselberry (Florida) | 1,029.34 mi (1,656.57 km) |
| Bettendorf to Castaic (California) | 1,600.41 mi (2,575.61 km) |
| Bettendorf to Castle Pines (Colorado) | 768.97 mi (1,237.54 km) |
