| Owings Mills to Norton (Ohio) | 279.40 mi (449.66 km) |
| Owings Mills to Norton Shores (Michigan) | 554.87 mi (892.98 km) |
| Owings Mills to Norwalk (California) | 2,299.74 mi (3,701.07 km) |
| Owings Mills to Norwalk (Connecticut) | 213.07 mi (342.90 km) |
| Owings Mills to Norwalk (Iowa) | 898.59 mi (1,446.14 km) |
| Owings Mills to Norwalk (Ohio) | 331.47 mi (533.46 km) |
| Owings Mills to Norwich (Connecticut) | 287.88 mi (463.30 km) |
| Owings Mills to Norwood (Ohio) | 410.00 mi (659.83 km) |
| Owings Mills to Novato (California) | 2,440.96 mi (3,928.34 km) |
| Owings Mills to Novi (Michigan) | 408.59 mi (657.56 km) |
| Owings Mills to O'Fallon (Illinois) | 706.24 mi (1,136.59 km) |
| Owings Mills to O'Fallon (Missouri) | 747.25 mi (1,202.58 km) |
| Owings Mills to Oak Creek (Wisconsin) | 625.12 mi (1,006.03 km) |
| Owings Mills to Oak Forest (Illinois) | 594.98 mi (957.52 km) |
| Owings Mills to Oak Grove (Oregon) | 2,342.50 mi (3,769.88 km) |
