| Newington Forest to Olympia Heights (Florida) | 917.07 mi (1,475.88 km) |
| Newington Forest to Omaha (Nebraska) | 1,009.16 mi (1,624.08 km) |
| Newington Forest to On Top of the World Designated Place (Florida) | 725.44 mi (1,167.48 km) |
| Newington Forest to Onalaska (Wisconsin) | 806.39 mi (1,297.76 km) |
| Newington Forest to Oneida (New York) | 310.87 mi (500.30 km) |
| Newington Forest to Oneonta (New York) | 280.91 mi (452.08 km) |
| Newington Forest to Ontario (California) | 2,250.57 mi (3,621.95 km) |
| Newington Forest to Ontario (Oregon) | 2,071.85 mi (3,334.33 km) |
| Newington Forest to Opa-locka (Florida) | 904.18 mi (1,455.14 km) |
| Newington Forest to Opelika (Alabama) | 619.98 mi (997.76 km) |
| Newington Forest to Opelousas (Louisiana) | 1,014.99 mi (1,633.46 km) |
| Newington Forest to Orange (California) | 2,267.82 mi (3,649.70 km) |
| Newington Forest to Orange (Texas) | 1,111.46 mi (1,788.72 km) |
| Newington Forest to Orange City (Florida) | 715.90 mi (1,152.13 km) |
| Newington Forest to Orangeburg (South Carolina) | 415.13 mi (668.09 km) |
