| Boadilla del Monte to Carlsbad (New Mexico) | 5,292.82 mi (8,517.98 km) |
| Boadilla del Monte to Carmel (Indiana) | 4,169.11 mi (6,709.54 km) |
| Boadilla del Monte to Carmichael (California) | 5,700.41 mi (9,173.93 km) |
| Boadilla del Monte to Carney (Maryland) | 3,735.11 mi (6,011.08 km) |
| Boadilla del Monte to Carnot-Moon (Pennsylvania) | 3,875.80 mi (6,237.49 km) |
| Boadilla del Monte to Carol Stream (Illinois) | 4,192.25 mi (6,746.77 km) |
| Boadilla del Monte to Carolina (Puerto Rico) | 3,947.46 mi (6,352.82 km) |
| Boadilla del Monte to Carolina Forest (South Carolina) | 4,036.37 mi (6,495.91 km) |
| Boadilla del Monte to Carpentersville (Illinois) | 4,192.35 mi (6,746.93 km) |
| Boadilla del Monte to Carpinteria (California) | 5,844.41 mi (9,405.67 km) |
| Boadilla del Monte to Carrboro (North Carolina) | 3,970.94 mi (6,390.62 km) |
| Boadilla del Monte to Carroll (Iowa) | 4,482.57 mi (7,213.99 km) |
| Boadilla del Monte to Carrollton (Georgia) | 4,346.18 mi (6,994.51 km) |
| Boadilla del Monte to Carrollton (Texas) | 4,932.12 mi (7,937.48 km) |
| Boadilla del Monte to Carrollwood (Florida) | 4,426.89 mi (7,124.38 km) |
