| Bolsward to Oswego (Illinois) | 4,139.76 mi (6,662.29 km) |
| Bolsward to Oswego (New York) | 3,620.26 mi (5,826.25 km) |
| Bolsward to Otsego (Minnesota) | 4,143.05 mi (6,667.59 km) |
| Bolsward to Ottawa (Illinois) | 4,173.61 mi (6,716.78 km) |
| Bolsward to Ottawa (Kansas) | 4,542.90 mi (7,311.10 km) |
| Bolsward to Ottumwa (Iowa) | 4,317.66 mi (6,948.61 km) |
| Bolsward to Overland (Missouri) | 4,363.86 mi (7,022.95 km) |
| Bolsward to Overland Park (Kansas) | 4,507.63 mi (7,254.32 km) |
| Bolsward to Overlea (Maryland) | 3,811.49 mi (6,134.00 km) |
| Bolsward to Oviedo (Florida) | 4,530.76 mi (7,291.55 km) |
| Bolsward to Owasso (Oklahoma) | 4,685.38 mi (7,540.39 km) |
| Bolsward to Owatonna (Minnesota) | 4,189.26 mi (6,741.96 km) |
| Bolsward to Owensboro (Kentucky) | 4,292.70 mi (6,908.44 km) |
| Bolsward to Owings Mills (Maryland) | 3,819.84 mi (6,147.43 km) |
| Bolsward to Owosso (Michigan) | 3,925.61 mi (6,317.65 km) |
