| Dokkum to Oswego (Illinois) | 4,147.15 mi (6,674.19 km) |
| Dokkum to Oswego (New York) | 3,630.14 mi (5,842.15 km) |
| Dokkum to Otsego (Minnesota) | 4,147.73 mi (6,675.13 km) |
| Dokkum to Ottawa (Illinois) | 4,180.98 mi (6,728.64 km) |
| Dokkum to Ottawa (Kansas) | 4,549.36 mi (7,321.48 km) |
| Dokkum to Ottumwa (Iowa) | 4,324.15 mi (6,959.04 km) |
| Dokkum to Overland (Missouri) | 4,371.70 mi (7,035.56 km) |
| Dokkum to Overland Park (Kansas) | 4,514.16 mi (7,264.83 km) |
| Dokkum to Overlea (Maryland) | 3,822.94 mi (6,152.42 km) |
| Dokkum to Oviedo (Florida) | 4,544.33 mi (7,313.39 km) |
| Dokkum to Owasso (Oklahoma) | 4,692.38 mi (7,551.66 km) |
| Dokkum to Owatonna (Minnesota) | 4,194.46 mi (6,750.33 km) |
| Dokkum to Owensboro (Kentucky) | 4,301.78 mi (6,923.04 km) |
| Dokkum to Owings Mills (Maryland) | 3,831.19 mi (6,165.71 km) |
| Dokkum to Owosso (Michigan) | 3,933.65 mi (6,330.60 km) |
