| Boadilla del Monte to Odessa (Texas) | 5,229.90 mi (8,416.71 km) |
| Boadilla del Monte to Ogden (Utah) | 5,220.75 mi (8,401.99 km) |
| Boadilla del Monte to Oildale (California) | 5,774.00 mi (9,292.35 km) |
| Boadilla del Monte to Ojus (Florida) | 4,388.16 mi (7,062.06 km) |
| Boadilla del Monte to Okemos (Michigan) | 3,999.46 mi (6,436.51 km) |
| Boadilla del Monte to Oklahoma City (Oklahoma) | 4,858.66 mi (7,819.26 km) |
| Boadilla del Monte to Okmulgee (Oklahoma) | 4,784.10 mi (7,699.27 km) |
| Boadilla del Monte to Olathe (Kansas) | 4,601.69 mi (7,405.71 km) |
| Boadilla del Monte to Old Jamestown (Missouri) | 4,398.64 mi (7,078.93 km) |
| Boadilla del Monte to Oldsmar (Florida) | 4,435.00 mi (7,137.45 km) |
| Boadilla del Monte to Olean (New York) | 3,745.08 mi (6,027.12 km) |
| Boadilla del Monte to Olive Branch (Mississippi) | 4,523.08 mi (7,279.20 km) |
| Boadilla del Monte to Olivehurst (California) | 5,686.20 mi (9,151.05 km) |
| Boadilla del Monte to Olney (Maryland) | 3,769.30 mi (6,066.10 km) |
| Boadilla del Monte to Olympia (Washington) | 5,329.51 mi (8,577.01 km) |
