| Vaals to Oswego (Illinois) | 4,239.83 mi (6,823.35 km) |
| Vaals to Oswego (New York) | 3,707.90 mi (5,967.29 km) |
| Vaals to Otsego (Minnesota) | 4,255.69 mi (6,848.87 km) |
| Vaals to Ottawa (Illinois) | 4,273.76 mi (6,877.95 km) |
| Vaals to Ottawa (Kansas) | 4,647.22 mi (7,478.98 km) |
| Vaals to Ottumwa (Iowa) | 4,421.99 mi (7,116.51 km) |
| Vaals to Overland (Missouri) | 4,461.56 mi (7,180.18 km) |
| Vaals to Overland Park (Kansas) | 4,611.60 mi (7,421.65 km) |
| Vaals to Overlea (Maryland) | 3,890.12 mi (6,260.54 km) |
| Vaals to Oviedo (Florida) | 4,595.58 mi (7,395.87 km) |
| Vaals to Owasso (Oklahoma) | 4,786.98 mi (7,703.89 km) |
| Vaals to Owatonna (Minnesota) | 4,299.56 mi (6,919.48 km) |
| Vaals to Owensboro (Kentucky) | 4,384.09 mi (7,055.50 km) |
| Vaals to Owings Mills (Maryland) | 3,898.98 mi (6,274.81 km) |
| Vaals to Owosso (Michigan) | 4,022.61 mi (6,473.76 km) |
