| Sint-Katelijne-Waver to Orangevale (California) | 5,422.79 mi (8,727.14 km) |
| Sint-Katelijne-Waver to Orchards (Washington) | 5,045.18 mi (8,119.43 km) |
| Sint-Katelijne-Waver to Orcutt (California) | 5,625.08 mi (9,052.70 km) |
| Sint-Katelijne-Waver to Oregon (Ohio) | 3,989.95 mi (6,421.20 km) |
| Sint-Katelijne-Waver to Oregon (Wisconsin) | 4,153.40 mi (6,684.26 km) |
| Sint-Katelijne-Waver to Oregon City (Oregon) | 5,067.18 mi (8,154.84 km) |
| Sint-Katelijne-Waver to Orem (Utah) | 5,048.45 mi (8,124.69 km) |
| Sint-Katelijne-Waver to Orinda (California) | 5,497.39 mi (8,847.19 km) |
| Sint-Katelijne-Waver to Orland Park (Illinois) | 4,159.79 mi (6,694.53 km) |
| Sint-Katelijne-Waver to Orlando (Florida) | 4,543.05 mi (7,311.34 km) |
| Sint-Katelijne-Waver to Ormond Beach (Florida) | 4,492.13 mi (7,229.38 km) |
| Sint-Katelijne-Waver to Oro Valley (Arizona) | 5,467.31 mi (8,798.79 km) |
| Sint-Katelijne-Waver to Oroville (California) | 5,384.42 mi (8,665.39 km) |
| Sint-Katelijne-Waver to Oshkosh (Wisconsin) | 4,071.22 mi (6,551.99 km) |
| Sint-Katelijne-Waver to Oskaloosa (Iowa) | 4,351.24 mi (7,002.65 km) |
