| Ecaussinnes-Lalaing to Oswego (Illinois) | 4,178.56 mi (6,724.74 km) |
| Ecaussinnes-Lalaing to Oswego (New York) | 3,641.99 mi (5,861.21 km) |
| Ecaussinnes-Lalaing to Otsego (Minnesota) | 4,200.35 mi (6,759.80 km) |
| Ecaussinnes-Lalaing to Ottawa (Illinois) | 4,212.50 mi (6,779.37 km) |
| Ecaussinnes-Lalaing to Ottawa (Kansas) | 4,587.66 mi (7,383.12 km) |
| Ecaussinnes-Lalaing to Ottumwa (Iowa) | 4,362.53 mi (7,020.81 km) |
| Ecaussinnes-Lalaing to Overland (Missouri) | 4,399.20 mi (7,079.83 km) |
| Ecaussinnes-Lalaing to Overland Park (Kansas) | 4,551.90 mi (7,325.57 km) |
| Ecaussinnes-Lalaing to Overlea (Maryland) | 3,821.13 mi (6,149.51 km) |
| Ecaussinnes-Lalaing to Oviedo (Florida) | 4,522.55 mi (7,278.34 km) |
| Ecaussinnes-Lalaing to Owasso (Oklahoma) | 4,726.15 mi (7,606.01 km) |
| Ecaussinnes-Lalaing to Owatonna (Minnesota) | 4,243.01 mi (6,828.46 km) |
| Ecaussinnes-Lalaing to Owensboro (Kentucky) | 4,319.27 mi (6,951.20 km) |
| Ecaussinnes-Lalaing to Owings Mills (Maryland) | 3,830.16 mi (6,164.04 km) |
| Ecaussinnes-Lalaing to Owosso (Michigan) | 3,960.14 mi (6,373.22 km) |
