| North Bay Shore to Olympia Heights (Florida) | 1,115.48 mi (1,795.19 km) |
| North Bay Shore to Omaha (Nebraska) | 1,185.34 mi (1,907.63 km) |
| North Bay Shore to On Top of the World Designated Place (Florida) | 952.55 mi (1,532.97 km) |
| North Bay Shore to Onalaska (Wisconsin) | 939.83 mi (1,512.50 km) |
| North Bay Shore to Oneida (New York) | 202.10 mi (325.25 km) |
| North Bay Shore to Oneonta (New York) | 149.69 mi (240.90 km) |
| North Bay Shore to Ontario (California) | 2,451.30 mi (3,944.99 km) |
| North Bay Shore to Ontario (Oregon) | 2,215.80 mi (3,565.98 km) |
| North Bay Shore to Opa-locka (Florida) | 1,102.30 mi (1,773.98 km) |
| North Bay Shore to Opelika (Alabama) | 872.27 mi (1,403.78 km) |
| North Bay Shore to Opelousas (Louisiana) | 1,267.19 mi (2,039.35 km) |
| North Bay Shore to Orange (California) | 2,469.26 mi (3,973.89 km) |
| North Bay Shore to Orange (Texas) | 1,362.80 mi (2,193.22 km) |
| North Bay Shore to Orange City (Florida) | 934.24 mi (1,503.51 km) |
| North Bay Shore to Orangeburg (South Carolina) | 653.40 mi (1,051.55 km) |
