| Forest Grove to Oxford (Alabama) | 2,124.53 mi (3,419.11 km) |
| Forest Grove to Oxford (Mississippi) | 1,920.71 mi (3,091.09 km) |
| Forest Grove to Oxford (Ohio) | 1,977.85 mi (3,183.05 km) |
| Forest Grove to Oxnard (California) | 809.66 mi (1,303.02 km) |
| Forest Grove to Oxon Hill (Maryland) | 2,374.73 mi (3,821.76 km) |
| Forest Grove to Ozark (Alabama) | 2,220.93 mi (3,574.24 km) |
| Forest Grove to Ozark (Missouri) | 1,647.58 mi (2,651.52 km) |
| Forest Grove to Pace (Florida) | 2,184.64 mi (3,515.85 km) |
| Forest Grove to Pacific Grove (California) | 618.37 mi (995.17 km) |
| Forest Grove to Pacifica (California) | 547.70 mi (881.44 km) |
| Forest Grove to Paducah (Kentucky) | 1,865.48 mi (3,002.20 km) |
| Forest Grove to Pahrump (Nevada) | 741.60 mi (1,193.50 km) |
| Forest Grove to Painesville (Ohio) | 2,085.88 mi (3,356.91 km) |
| Forest Grove to Palatine (Illinois) | 1,749.73 mi (2,815.92 km) |
| Forest Grove to Palatka (Florida) | 2,484.55 mi (3,998.50 km) |
