| Louvain-la-Neuve to Oakley (California) | 5,497.33 mi (8,847.10 km) |
| Louvain-la-Neuve to Oakton (Virginia) | 3,884.71 mi (6,251.84 km) |
| Louvain-la-Neuve to Oakville (Missouri) | 4,418.15 mi (7,110.33 km) |
| Louvain-la-Neuve to Oatfield (Oregon) | 5,084.65 mi (8,182.95 km) |
| Louvain-la-Neuve to Ocala (Florida) | 4,548.55 mi (7,320.18 km) |
| Louvain-la-Neuve to Ocean Acres (New Jersey) | 3,723.42 mi (5,992.26 km) |
| Louvain-la-Neuve to Ocean City (New Jersey) | 3,757.61 mi (6,047.28 km) |
| Louvain-la-Neuve to Ocean Pines (Maryland) | 3,819.53 mi (6,146.95 km) |
| Louvain-la-Neuve to Ocean Pointe (Hawaii) | 7,350.49 mi (11,829.47 km) |
| Louvain-la-Neuve to Ocean Springs (Mississippi) | 4,759.82 mi (7,660.19 km) |
| Louvain-la-Neuve to Oceanside (California) | 5,645.00 mi (9,084.75 km) |
| Louvain-la-Neuve to Oceanside (New York) | 3,658.15 mi (5,887.23 km) |
| Louvain-la-Neuve to Ocoee (Florida) | 4,552.44 mi (7,326.44 km) |
| Louvain-la-Neuve to Oconomowoc (Wisconsin) | 4,125.87 mi (6,639.94 km) |
| Louvain-la-Neuve to Odenton (Maryland) | 3,852.00 mi (6,199.20 km) |
