| New Philadelphia to Oakley (California) | 2,142.39 mi (3,447.84 km) |
| New Philadelphia to Oakton (Virginia) | 246.13 mi (396.11 km) |
| New Philadelphia to Oakville (Missouri) | 493.88 mi (794.82 km) |
| New Philadelphia to Oatfield (Oregon) | 2,085.64 mi (3,356.51 km) |
| New Philadelphia to Ocala (Florida) | 782.34 mi (1,259.05 km) |
| New Philadelphia to Ocean Acres (New Jersey) | 381.67 mi (614.24 km) |
| New Philadelphia to Ocean City (New Jersey) | 372.11 mi (598.86 km) |
| New Philadelphia to Ocean Pines (Maryland) | 365.65 mi (588.46 km) |
| New Philadelphia to Ocean Pointe (Hawaii) | 4,587.85 mi (7,383.43 km) |
| New Philadelphia to Ocean Springs (Mississippi) | 809.09 mi (1,302.10 km) |
| New Philadelphia to Oceanside (California) | 2,030.41 mi (3,267.63 km) |
| New Philadelphia to Oceanside (New York) | 409.63 mi (659.23 km) |
| New Philadelphia to Ocoee (Florida) | 822.67 mi (1,323.96 km) |
| New Philadelphia to Oconomowoc (Wisconsin) | 405.62 mi (652.78 km) |
| New Philadelphia to Odenton (Maryland) | 270.41 mi (435.19 km) |
