| Louvain-la-Neuve to Orangevale (California) | 5,442.94 mi (8,759.57 km) |
| Louvain-la-Neuve to Orchards (Washington) | 5,066.80 mi (8,154.23 km) |
| Louvain-la-Neuve to Orcutt (California) | 5,644.36 mi (9,083.72 km) |
| Louvain-la-Neuve to Oregon (Ohio) | 4,001.68 mi (6,440.08 km) |
| Louvain-la-Neuve to Oregon (Wisconsin) | 4,167.10 mi (6,706.30 km) |
| Louvain-la-Neuve to Oregon City (Oregon) | 5,088.76 mi (8,189.56 km) |
| Louvain-la-Neuve to Orem (Utah) | 5,066.74 mi (8,154.13 km) |
| Louvain-la-Neuve to Orinda (California) | 5,517.62 mi (8,879.75 km) |
| Louvain-la-Neuve to Orland Park (Illinois) | 4,172.64 mi (6,715.21 km) |
| Louvain-la-Neuve to Orlando (Florida) | 4,549.28 mi (7,321.36 km) |
| Louvain-la-Neuve to Ormond Beach (Florida) | 4,498.57 mi (7,239.75 km) |
| Louvain-la-Neuve to Oro Valley (Arizona) | 5,483.63 mi (8,825.06 km) |
| Louvain-la-Neuve to Oroville (California) | 5,404.79 mi (8,698.18 km) |
| Louvain-la-Neuve to Oshkosh (Wisconsin) | 4,085.11 mi (6,574.34 km) |
| Louvain-la-Neuve to Oskaloosa (Iowa) | 4,365.19 mi (7,025.09 km) |
