| Marche-en-Famenne to Orangevale (California) | 5,490.32 mi (8,835.82 km) |
| Marche-en-Famenne to Orchards (Washington) | 5,113.36 mi (8,229.16 km) |
| Marche-en-Famenne to Orcutt (California) | 5,692.06 mi (9,160.48 km) |
| Marche-en-Famenne to Oregon (Ohio) | 4,048.75 mi (6,515.84 km) |
| Marche-en-Famenne to Oregon (Wisconsin) | 4,214.80 mi (6,783.06 km) |
| Marche-en-Famenne to Oregon City (Oregon) | 5,135.35 mi (8,264.55 km) |
| Marche-en-Famenne to Orem (Utah) | 5,114.67 mi (8,231.27 km) |
| Marche-en-Famenne to Orinda (California) | 5,564.96 mi (8,955.94 km) |
| Marche-en-Famenne to Orland Park (Illinois) | 4,220.10 mi (6,791.59 km) |
| Marche-en-Famenne to Orlando (Florida) | 4,593.26 mi (7,392.14 km) |
| Marche-en-Famenne to Ormond Beach (Florida) | 4,542.71 mi (7,310.78 km) |
| Marche-en-Famenne to Oro Valley (Arizona) | 5,531.70 mi (8,902.42 km) |
| Marche-en-Famenne to Oroville (California) | 5,452.07 mi (8,774.27 km) |
| Marche-en-Famenne to Oshkosh (Wisconsin) | 4,132.85 mi (6,651.18 km) |
| Marche-en-Famenne to Oskaloosa (Iowa) | 4,412.94 mi (7,101.95 km) |
