| Trussville to Olympia (Washington) | 2,099.90 mi (3,379.47 km) |
| Trussville to Olympia Heights (Florida) | 662.67 mi (1,066.47 km) |
| Trussville to Omaha (Nebraska) | 738.86 mi (1,189.09 km) |
| Trussville to On Top of the World Designated Place (Florida) | 402.84 mi (648.31 km) |
| Trussville to Onalaska (Wisconsin) | 750.30 mi (1,207.49 km) |
| Trussville to Oneida (New York) | 878.86 mi (1,414.38 km) |
| Trussville to Oneonta (New York) | 872.22 mi (1,403.69 km) |
| Trussville to Ontario (California) | 1,773.81 mi (2,854.67 km) |
| Trussville to Ontario (Oregon) | 1,773.24 mi (2,853.76 km) |
| Trussville to Opa-locka (Florida) | 655.40 mi (1,054.76 km) |
| Trussville to Opelika (Alabama) | 97.13 mi (156.31 km) |
| Trussville to Opelousas (Louisiana) | 387.20 mi (623.14 km) |
| Trussville to Orange (California) | 1,788.35 mi (2,878.07 km) |
| Trussville to Orange (Texas) | 486.11 mi (782.33 km) |
| Trussville to Orange City (Florida) | 450.85 mi (725.57 km) |
