| Boadilla del Monte to Carson (California) | 5,822.42 mi (9,370.28 km) |
| Boadilla del Monte to Carson City (Nevada) | 5,616.00 mi (9,038.07 km) |
| Boadilla del Monte to Carteret (New Jersey) | 3,590.45 mi (5,778.27 km) |
| Boadilla del Monte to Cartersville (Georgia) | 4,311.03 mi (6,937.94 km) |
| Boadilla del Monte to Carthage (Missouri) | 4,646.49 mi (7,477.80 km) |
| Boadilla del Monte to Cary (Illinois) | 4,187.48 mi (6,739.09 km) |
| Boadilla del Monte to Cary (North Carolina) | 3,962.67 mi (6,377.30 km) |
| Boadilla del Monte to Casa de Oro-Mount Helix (California) | 5,823.28 mi (9,371.66 km) |
| Boadilla del Monte to Casa Grande (Arizona) | 5,599.09 mi (9,010.87 km) |
| Boadilla del Monte to Casas Adobes (Arizona) | 5,593.40 mi (9,001.71 km) |
| Boadilla del Monte to Cascades (Virginia) | 3,787.54 mi (6,095.46 km) |
| Boadilla del Monte to Casper (Wyoming) | 4,927.07 mi (7,929.35 km) |
| Boadilla del Monte to Casselberry (Florida) | 4,343.35 mi (6,989.94 km) |
| Boadilla del Monte to Castaic (California) | 5,805.41 mi (9,342.91 km) |
| Boadilla del Monte to Castle Pines (Colorado) | 5,012.78 mi (8,067.30 km) |
