| Philadelphia to Norton (Ohio) | 349.17 mi (561.93 km) |
| Philadelphia to Norton Shores (Michigan) | 613.92 mi (988.02 km) |
| Philadelphia to Norwalk (California) | 2,385.00 mi (3,838.29 km) |
| Philadelphia to Norwalk (Connecticut) | 118.01 mi (189.91 km) |
| Philadelphia to Norwalk (Iowa) | 974.85 mi (1,568.87 km) |
| Philadelphia to Norwalk (Ohio) | 401.05 mi (645.43 km) |
| Philadelphia to Norwich (Connecticut) | 191.66 mi (308.45 km) |
| Philadelphia to Norwood (Ohio) | 499.47 mi (803.82 km) |
| Philadelphia to Novato (California) | 2,517.82 mi (4,052.03 km) |
| Philadelphia to Novi (Michigan) | 466.19 mi (750.26 km) |
| Philadelphia to O'Fallon (Illinois) | 795.31 mi (1,279.93 km) |
| Philadelphia to O'Fallon (Missouri) | 835.26 mi (1,344.22 km) |
| Philadelphia to Oak Creek (Wisconsin) | 689.58 mi (1,109.78 km) |
| Philadelphia to Oak Forest (Illinois) | 668.48 mi (1,075.81 km) |
| Philadelphia to Oak Grove (Oregon) | 2,404.68 mi (3,869.95 km) |
