| Alken to Oswego (Illinois) | 4,209.54 mi (6,774.60 km) |
| Alken to Oswego (New York) | 3,676.83 mi (5,917.29 km) |
| Alken to Otsego (Minnesota) | 4,226.58 mi (6,802.02 km) |
| Alken to Ottawa (Illinois) | 4,243.47 mi (6,829.21 km) |
| Alken to Ottawa (Kansas) | 4,617.25 mi (7,430.75 km) |
| Alken to Ottumwa (Iowa) | 4,392.04 mi (7,068.31 km) |
| Alken to Overland (Missouri) | 4,431.07 mi (7,131.12 km) |
| Alken to Overland Park (Kansas) | 4,581.61 mi (7,373.38 km) |
| Alken to Overlea (Maryland) | 3,858.65 mi (6,209.89 km) |
| Alken to Oviedo (Florida) | 4,563.78 mi (7,344.69 km) |
| Alken to Owasso (Oklahoma) | 4,756.77 mi (7,655.29 km) |
| Alken to Owatonna (Minnesota) | 4,270.20 mi (6,872.22 km) |
| Alken to Owensboro (Kentucky) | 4,353.19 mi (7,005.78 km) |
| Alken to Owings Mills (Maryland) | 3,867.53 mi (6,224.19 km) |
| Alken to Owosso (Michigan) | 3,992.10 mi (6,424.66 km) |
