| Dalfsen to Oswego (Illinois) | 4,185.57 mi (6,736.02 km) |
| Dalfsen to Oswego (New York) | 3,664.05 mi (5,896.72 km) |
| Dalfsen to Otsego (Minnesota) | 4,190.52 mi (6,744.00 km) |
| Dalfsen to Ottawa (Illinois) | 4,219.44 mi (6,790.53 km) |
| Dalfsen to Ottawa (Kansas) | 4,589.35 mi (7,385.84 km) |
| Dalfsen to Ottumwa (Iowa) | 4,364.09 mi (7,023.33 km) |
| Dalfsen to Overland (Missouri) | 4,409.34 mi (7,096.14 km) |
| Dalfsen to Overland Park (Kansas) | 4,554.02 mi (7,328.98 km) |
| Dalfsen to Overlea (Maryland) | 3,853.72 mi (6,201.96 km) |
| Dalfsen to Oviedo (Florida) | 4,570.44 mi (7,355.41 km) |
| Dalfsen to Owasso (Oklahoma) | 4,731.45 mi (7,614.54 km) |
| Dalfsen to Owatonna (Minnesota) | 4,236.45 mi (6,817.91 km) |
| Dalfsen to Owensboro (Kentucky) | 4,337.19 mi (6,980.03 km) |
| Dalfsen to Owings Mills (Maryland) | 3,862.16 mi (6,215.55 km) |
| Dalfsen to Owosso (Michigan) | 3,970.94 mi (6,390.61 km) |
