| Mariestad to Orangevale (California) | 5,229.65 mi (8,416.30 km) |
| Mariestad to Orchards (Washington) | 4,807.78 mi (7,737.38 km) |
| Mariestad to Orcutt (California) | 5,457.09 mi (8,782.34 km) |
| Mariestad to Oregon (Ohio) | 4,058.64 mi (6,531.74 km) |
| Mariestad to Oregon (Wisconsin) | 4,168.33 mi (6,708.28 km) |
| Mariestad to Oregon City (Oregon) | 4,831.09 mi (7,774.89 km) |
| Mariestad to Orem (Utah) | 4,918.67 mi (7,915.84 km) |
| Mariestad to Orinda (California) | 5,300.84 mi (8,530.87 km) |
| Mariestad to Orland Park (Illinois) | 4,196.83 mi (6,754.15 km) |
| Mariestad to Orlando (Florida) | 4,733.35 mi (7,617.59 km) |
| Mariestad to Ormond Beach (Florida) | 4,678.30 mi (7,529.00 km) |
| Mariestad to Oro Valley (Arizona) | 5,389.48 mi (8,673.52 km) |
| Mariestad to Oroville (California) | 5,184.67 mi (8,343.92 km) |
| Mariestad to Oshkosh (Wisconsin) | 4,082.60 mi (6,570.30 km) |
| Mariestad to Oskaloosa (Iowa) | 4,356.06 mi (7,010.40 km) |
