| Havelock to Oswego (Illinois) | 775.96 mi (1,248.78 km) |
| Havelock to Oswego (New York) | 590.70 mi (950.64 km) |
| Havelock to Otsego (Minnesota) | 1,133.37 mi (1,823.98 km) |
| Havelock to Ottawa (Illinois) | 785.38 mi (1,263.95 km) |
| Havelock to Ottawa (Kansas) | 1,046.19 mi (1,683.68 km) |
| Havelock to Ottumwa (Iowa) | 943.12 mi (1,517.80 km) |
| Havelock to Overland (Missouri) | 788.94 mi (1,269.67 km) |
| Havelock to Overland Park (Kansas) | 1,018.73 mi (1,639.48 km) |
| Havelock to Overlea (Maryland) | 308.62 mi (496.68 km) |
| Havelock to Oviedo (Florida) | 499.77 mi (804.29 km) |
| Havelock to Owasso (Oklahoma) | 1,066.20 mi (1,715.89 km) |
| Havelock to Owatonna (Minnesota) | 1,074.15 mi (1,728.68 km) |
| Havelock to Owensboro (Kentucky) | 601.49 mi (968.01 km) |
| Havelock to Owings Mills (Maryland) | 311.23 mi (500.88 km) |
| Havelock to Owosso (Michigan) | 681.42 mi (1,096.64 km) |
