| Forfar to Oakley (California) | 4,989.91 mi (8,030.48 km) |
| Forfar to Oakton (Virginia) | 3,472.20 mi (5,587.97 km) |
| Forfar to Oakville (Missouri) | 3,966.42 mi (6,383.33 km) |
| Forfar to Oatfield (Oregon) | 4,573.78 mi (7,360.78 km) |
| Forfar to Ocala (Florida) | 4,160.87 mi (6,696.27 km) |
| Forfar to Ocean Acres (New Jersey) | 3,317.54 mi (5,339.06 km) |
| Forfar to Ocean City (New Jersey) | 3,352.98 mi (5,396.10 km) |
| Forfar to Ocean Pines (Maryland) | 3,417.36 mi (5,499.71 km) |
| Forfar to Ocean Pointe (Hawaii) | 6,859.16 mi (11,038.76 km) |
| Forfar to Ocean Springs (Mississippi) | 4,340.82 mi (6,985.88 km) |
| Forfar to Oceanside (California) | 5,146.33 mi (8,282.22 km) |
| Forfar to Oceanside (New York) | 3,249.97 mi (5,230.32 km) |
| Forfar to Ocoee (Florida) | 4,170.04 mi (6,711.03 km) |
| Forfar to Oconomowoc (Wisconsin) | 3,663.65 mi (5,896.07 km) |
| Forfar to Odenton (Maryland) | 3,440.80 mi (5,537.44 km) |
