| Simpelveld to Orangevale (California) | 5,475.56 mi (8,812.06 km) |
| Simpelveld to Orchards (Washington) | 5,094.72 mi (8,199.16 km) |
| Simpelveld to Orcutt (California) | 5,679.50 mi (9,140.28 km) |
| Simpelveld to Oregon (Ohio) | 4,053.11 mi (6,522.85 km) |
| Simpelveld to Oregon (Wisconsin) | 4,215.10 mi (6,783.54 km) |
| Simpelveld to Oregon City (Oregon) | 5,116.84 mi (8,234.75 km) |
| Simpelveld to Orem (Utah) | 5,104.58 mi (8,215.02 km) |
| Simpelveld to Orinda (California) | 5,550.00 mi (8,931.86 km) |
| Simpelveld to Orland Park (Illinois) | 4,222.17 mi (6,794.92 km) |
| Simpelveld to Orlando (Florida) | 4,608.15 mi (7,416.10 km) |
| Simpelveld to Ormond Beach (Florida) | 4,557.20 mi (7,334.10 km) |
| Simpelveld to Oro Valley (Arizona) | 5,526.20 mi (8,893.56 km) |
| Simpelveld to Oroville (California) | 5,436.75 mi (8,749.60 km) |
| Simpelveld to Oshkosh (Wisconsin) | 4,132.75 mi (6,651.01 km) |
| Simpelveld to Oskaloosa (Iowa) | 4,412.71 mi (7,101.57 km) |
