| Perry Hall to Oakleaf Plantation (Florida) | 706.57 mi (1,137.12 km) |
| Perry Hall to Oakley (California) | 2,414.40 mi (3,885.61 km) |
| Perry Hall to Oakton (Virginia) | 56.82 mi (91.45 km) |
| Perry Hall to Oakville (Missouri) | 746.22 mi (1,200.92 km) |
| Perry Hall to Oatfield (Oregon) | 2,355.79 mi (3,791.27 km) |
| Perry Hall to Ocala (Florida) | 776.95 mi (1,250.39 km) |
| Perry Hall to Ocean Acres (New Jersey) | 119.31 mi (192.01 km) |
| Perry Hall to Ocean City (New Jersey) | 100.71 mi (162.07 km) |
| Perry Hall to Ocean Pines (Maryland) | 100.46 mi (161.68 km) |
| Perry Hall to Ocean Pointe (Hawaii) | 4,859.71 mi (7,820.95 km) |
| Perry Hall to Ocean Springs (Mississippi) | 932.66 mi (1,500.97 km) |
| Perry Hall to Oceanside (California) | 2,292.95 mi (3,690.15 km) |
| Perry Hall to Oceanside (New York) | 172.56 mi (277.72 km) |
| Perry Hall to Ocoee (Florida) | 801.80 mi (1,290.38 km) |
| Perry Hall to Oconomowoc (Wisconsin) | 673.55 mi (1,083.97 km) |
