| Fillmore to Oswego (Illinois) | 1,728.13 mi (2,781.16 km) |
| Fillmore to Oswego (New York) | 2,336.96 mi (3,760.97 km) |
| Fillmore to Otsego (Minnesota) | 1,528.57 mi (2,459.99 km) |
| Fillmore to Ottawa (Illinois) | 1,700.36 mi (2,736.47 km) |
| Fillmore to Ottawa (Kansas) | 1,341.43 mi (2,158.82 km) |
| Fillmore to Ottumwa (Iowa) | 1,512.16 mi (2,433.58 km) |
| Fillmore to Overland (Missouri) | 1,605.45 mi (2,583.72 km) |
| Fillmore to Overland Park (Kansas) | 1,374.22 mi (2,211.59 km) |
| Fillmore to Overlea (Maryland) | 2,346.60 mi (3,776.48 km) |
| Fillmore to Oviedo (Florida) | 2,244.09 mi (3,611.51 km) |
| Fillmore to Owasso (Oklahoma) | 1,304.55 mi (2,099.47 km) |
| Fillmore to Owatonna (Minnesota) | 1,520.27 mi (2,446.64 km) |
| Fillmore to Owensboro (Kentucky) | 1,782.25 mi (2,868.25 km) |
| Fillmore to Owings Mills (Maryland) | 2,331.74 mi (3,752.58 km) |
| Fillmore to Owosso (Michigan) | 1,949.46 mi (3,137.35 km) |
