| Trussville to Oskaloosa (Iowa) | 624.03 mi (1,004.28 km) |
| Trussville to Oswego (Illinois) | 563.91 mi (907.52 km) |
| Trussville to Oswego (New York) | 868.26 mi (1,397.33 km) |
| Trussville to Otsego (Minnesota) | 885.81 mi (1,425.58 km) |
| Trussville to Ottawa (Illinois) | 547.01 mi (880.33 km) |
| Trussville to Ottawa (Kansas) | 593.02 mi (954.37 km) |
| Trussville to Ottumwa (Iowa) | 601.96 mi (968.76 km) |
| Trussville to Overland (Missouri) | 408.15 mi (656.86 km) |
| Trussville to Overland Park (Kansas) | 578.63 mi (931.22 km) |
| Trussville to Overlea (Maryland) | 683.99 mi (1,100.78 km) |
| Trussville to Oviedo (Florida) | 469.15 mi (755.03 km) |
| Trussville to Owasso (Oklahoma) | 554.47 mi (892.34 km) |
| Trussville to Owatonna (Minnesota) | 805.15 mi (1,295.76 km) |
| Trussville to Owensboro (Kentucky) | 286.04 mi (460.34 km) |
| Trussville to Owings Mills (Maryland) | 673.46 mi (1,083.83 km) |
