| Severna Park to Orangeburg (South Carolina) | 454.51 mi (731.46 km) |
| Severna Park to Orangevale (California) | 2,376.80 mi (3,825.08 km) |
| Severna Park to Orchards (Washington) | 2,356.02 mi (3,791.65 km) |
| Severna Park to Orcutt (California) | 2,414.57 mi (3,885.87 km) |
| Severna Park to Oregon (Ohio) | 402.27 mi (647.38 km) |
| Severna Park to Oregon (Wisconsin) | 718.21 mi (1,155.85 km) |
| Severna Park to Oregon City (Oregon) | 2,361.44 mi (3,800.37 km) |
| Severna Park to Orem (Utah) | 1,857.36 mi (2,989.13 km) |
| Severna Park to Orinda (California) | 2,441.98 mi (3,929.98 km) |
| Severna Park to Orland Park (Illinois) | 619.12 mi (996.38 km) |
| Severna Park to Orlando (Florida) | 782.20 mi (1,258.84 km) |
| Severna Park to Ormond Beach (Florida) | 723.96 mi (1,165.10 km) |
| Severna Park to Oro Valley (Arizona) | 1,970.95 mi (3,171.94 km) |
| Severna Park to Oroville (California) | 2,380.47 mi (3,830.99 km) |
| Severna Park to Oshkosh (Wisconsin) | 706.68 mi (1,137.29 km) |
