| Marche-en-Famenne to Oakley (California) | 5,544.71 mi (8,923.35 km) |
| Marche-en-Famenne to Oakton (Virginia) | 3,930.47 mi (6,325.48 km) |
| Marche-en-Famenne to Oakville (Missouri) | 4,465.46 mi (7,186.47 km) |
| Marche-en-Famenne to Oatfield (Oregon) | 5,131.23 mi (8,257.92 km) |
| Marche-en-Famenne to Ocala (Florida) | 4,592.89 mi (7,391.54 km) |
| Marche-en-Famenne to Ocean Acres (New Jersey) | 3,768.90 mi (6,065.47 km) |
| Marche-en-Famenne to Ocean City (New Jersey) | 3,803.02 mi (6,120.37 km) |
| Marche-en-Famenne to Ocean Pines (Maryland) | 3,864.81 mi (6,219.82 km) |
| Marche-en-Famenne to Ocean Pointe (Hawaii) | 7,390.75 mi (11,894.26 km) |
| Marche-en-Famenne to Ocean Springs (Mississippi) | 4,805.72 mi (7,734.06 km) |
| Marche-en-Famenne to Oceanside (California) | 5,692.95 mi (9,161.92 km) |
| Marche-en-Famenne to Oceanside (New York) | 3,703.76 mi (5,960.63 km) |
| Marche-en-Famenne to Ocoee (Florida) | 4,596.49 mi (7,397.33 km) |
| Marche-en-Famenne to Oconomowoc (Wisconsin) | 4,173.53 mi (6,716.64 km) |
| Marche-en-Famenne to Odenton (Maryland) | 3,897.71 mi (6,272.75 km) |
