| Ecublens to Oswego (Illinois) | 4,420.36 mi (7,113.89 km) |
| Ecublens to Oswego (New York) | 3,868.05 mi (6,225.02 km) |
| Ecublens to Otsego (Minnesota) | 4,459.02 mi (7,176.10 km) |
| Ecublens to Ottawa (Illinois) | 4,454.31 mi (7,168.52 km) |
| Ecublens to Ottawa (Kansas) | 4,834.21 mi (7,779.91 km) |
| Ecublens to Ottumwa (Iowa) | 4,609.69 mi (7,418.57 km) |
| Ecublens to Overland (Missouri) | 4,637.01 mi (7,462.55 km) |
| Ecublens to Overland Park (Kansas) | 4,798.07 mi (7,721.74 km) |
| Ecublens to Overlea (Maryland) | 4,033.20 mi (6,490.81 km) |
| Ecublens to Oviedo (Florida) | 4,710.49 mi (7,580.80 km) |
| Ecublens to Owasso (Oklahoma) | 4,968.56 mi (7,996.12 km) |
| Ecublens to Owatonna (Minnesota) | 4,498.52 mi (7,239.67 km) |
| Ecublens to Owensboro (Kentucky) | 4,548.29 mi (7,319.76 km) |
| Ecublens to Owings Mills (Maryland) | 4,042.97 mi (6,506.54 km) |
| Ecublens to Owosso (Michigan) | 4,198.33 mi (6,756.56 km) |
