| North Highlands to Oswego (Illinois) | 1,745.52 mi (2,809.15 km) |
| North Highlands to Oswego (New York) | 2,332.32 mi (3,753.50 km) |
| North Highlands to Otsego (Minnesota) | 1,488.12 mi (2,394.90 km) |
| North Highlands to Ottawa (Illinois) | 1,722.06 mi (2,771.38 km) |
| North Highlands to Ottawa (Kansas) | 1,404.31 mi (2,260.01 km) |
| North Highlands to Ottumwa (Iowa) | 1,537.38 mi (2,474.17 km) |
| North Highlands to Overland (Missouri) | 1,664.04 mi (2,678.02 km) |
| North Highlands to Overland Park (Kansas) | 1,432.25 mi (2,304.98 km) |
| North Highlands to Overlea (Maryland) | 2,383.11 mi (3,835.24 km) |
| North Highlands to Oviedo (Florida) | 2,391.16 mi (3,848.20 km) |
| North Highlands to Owasso (Oklahoma) | 1,405.48 mi (2,261.90 km) |
| North Highlands to Owatonna (Minnesota) | 1,498.15 mi (2,411.04 km) |
| North Highlands to Owensboro (Kentucky) | 1,849.79 mi (2,976.95 km) |
| North Highlands to Owings Mills (Maryland) | 2,368.13 mi (3,811.13 km) |
| North Highlands to Owosso (Michigan) | 1,951.08 mi (3,139.96 km) |
