| North Branch to Odessa (Texas) | 1,067.56 mi (1,718.07 km) |
| North Branch to Ogden (Utah) | 996.80 mi (1,604.19 km) |
| North Branch to Oildale (California) | 1,527.73 mi (2,458.65 km) |
| North Branch to Ojus (Florida) | 1,525.68 mi (2,455.34 km) |
| North Branch to Okemos (Michigan) | 465.95 mi (749.88 km) |
| North Branch to Oklahoma City (Oklahoma) | 733.87 mi (1,181.05 km) |
| North Branch to Okmulgee (Oklahoma) | 702.34 mi (1,130.31 km) |
| North Branch to Olathe (Kansas) | 467.87 mi (752.96 km) |
| North Branch to Old Jamestown (Missouri) | 480.99 mi (774.08 km) |
| North Branch to Oldsmar (Florida) | 1,331.56 mi (2,142.93 km) |
| North Branch to Olean (New York) | 761.06 mi (1,224.81 km) |
| North Branch to Olive Branch (Mississippi) | 747.22 mi (1,202.53 km) |
| North Branch to Olivehurst (California) | 1,518.36 mi (2,443.56 km) |
| North Branch to Olney (Maryland) | 920.82 mi (1,481.92 km) |
| North Branch to Olympia (Washington) | 1,424.72 mi (2,292.87 km) |
