| Trier to Oswego (Illinois) | 4,300.50 mi (6,920.99 km) |
| Trier to Oswego (New York) | 3,764.33 mi (6,058.10 km) |
| Trier to Otsego (Minnesota) | 4,320.60 mi (6,953.33 km) |
| Trier to Ottawa (Illinois) | 4,334.44 mi (6,975.61 km) |
| Trier to Ottawa (Kansas) | 4,709.24 mi (7,578.78 km) |
| Trier to Ottumwa (Iowa) | 4,484.08 mi (7,216.43 km) |
| Trier to Overland (Missouri) | 4,521.32 mi (7,276.36 km) |
| Trier to Overland Park (Kansas) | 4,673.51 mi (7,521.29 km) |
| Trier to Overlea (Maryland) | 3,943.12 mi (6,345.84 km) |
| Trier to Oviedo (Florida) | 4,642.94 mi (7,472.08 km) |
| Trier to Owasso (Oklahoma) | 4,848.01 mi (7,802.13 km) |
| Trier to Owatonna (Minnesota) | 4,363.69 mi (7,022.69 km) |
| Trier to Owensboro (Kentucky) | 4,441.61 mi (7,148.08 km) |
| Trier to Owings Mills (Maryland) | 3,952.18 mi (6,360.42 km) |
| Trier to Owosso (Michigan) | 4,082.27 mi (6,569.77 km) |
