| Marche-en-Famenne to Oswego (Illinois) | 4,234.40 mi (6,814.61 km) |
| Marche-en-Famenne to Oswego (New York) | 3,698.12 mi (5,951.54 km) |
| Marche-en-Famenne to Otsego (Minnesota) | 4,255.28 mi (6,848.21 km) |
| Marche-en-Famenne to Ottawa (Illinois) | 4,268.34 mi (6,869.23 km) |
| Marche-en-Famenne to Ottawa (Kansas) | 4,643.29 mi (7,472.66 km) |
| Marche-en-Famenne to Ottumwa (Iowa) | 4,418.15 mi (7,110.32 km) |
| Marche-en-Famenne to Overland (Missouri) | 4,455.14 mi (7,169.86 km) |
| Marche-en-Famenne to Overland Park (Kansas) | 4,607.55 mi (7,415.14 km) |
| Marche-en-Famenne to Overlea (Maryland) | 3,877.18 mi (6,239.71 km) |
| Marche-en-Famenne to Oviedo (Florida) | 4,577.97 mi (7,367.54 km) |
| Marche-en-Famenne to Owasso (Oklahoma) | 4,781.95 mi (7,695.80 km) |
| Marche-en-Famenne to Owatonna (Minnesota) | 4,298.17 mi (6,917.23 km) |
| Marche-en-Famenne to Owensboro (Kentucky) | 4,375.37 mi (7,041.49 km) |
| Marche-en-Famenne to Owings Mills (Maryland) | 3,886.21 mi (6,254.26 km) |
| Marche-en-Famenne to Owosso (Michigan) | 4,016.09 mi (6,463.27 km) |
