| Crofton to Oswego (Illinois) | 640.34 mi (1,030.53 km) |
| Crofton to Oswego (New York) | 306.72 mi (493.62 km) |
| Crofton to Otsego (Minnesota) | 966.83 mi (1,555.95 km) |
| Crofton to Ottawa (Illinois) | 660.60 mi (1,063.13 km) |
| Crofton to Ottawa (Kansas) | 999.25 mi (1,608.13 km) |
| Crofton to Ottumwa (Iowa) | 843.06 mi (1,356.77 km) |
| Crofton to Overland (Missouri) | 736.17 mi (1,184.74 km) |
| Crofton to Overland Park (Kansas) | 966.03 mi (1,554.67 km) |
| Crofton to Overlea (Maryland) | 25.69 mi (41.34 km) |
| Crofton to Oviedo (Florida) | 760.59 mi (1,224.05 km) |
| Crofton to Owasso (Oklahoma) | 1,062.38 mi (1,709.73 km) |
| Crofton to Owatonna (Minnesota) | 922.80 mi (1,485.10 km) |
| Crofton to Owensboro (Kentucky) | 571.56 mi (919.84 km) |
| Crofton to Owings Mills (Maryland) | 28.08 mi (45.18 km) |
| Crofton to Owosso (Michigan) | 477.63 mi (768.68 km) |
