| Ridge to Owosso (Michigan) | 597.53 mi (961.63 km) |
| Ridge to Oxford (Alabama) | 873.25 mi (1,405.36 km) |
| Ridge to Oxford (Mississippi) | 1,014.84 mi (1,633.23 km) |
| Ridge to Oxford (Ohio) | 632.92 mi (1,018.58 km) |
| Ridge to Oxnard (California) | 2,548.01 mi (4,100.63 km) |
| Ridge to Oxon Hill (Maryland) | 261.72 mi (421.19 km) |
| Ridge to Ozark (Alabama) | 964.37 mi (1,552.00 km) |
| Ridge to Ozark (Missouri) | 1,121.73 mi (1,805.26 km) |
| Ridge to Pace (Florida) | 1,068.25 mi (1,719.19 km) |
| Ridge to Pacific Grove (California) | 2,624.25 mi (4,223.33 km) |
| Ridge to Pacifica (California) | 2,627.53 mi (4,228.60 km) |
| Ridge to Paducah (Kentucky) | 885.56 mi (1,425.17 km) |
| Ridge to Pahrump (Nevada) | 2,327.93 mi (3,746.43 km) |
| Ridge to Painesville (Ohio) | 437.94 mi (704.80 km) |
| Ridge to Palatine (Illinois) | 787.82 mi (1,267.87 km) |
