| Severn to Oakleaf Plantation (Florida) | 684.59 mi (1,101.74 km) |
| Severn to Oakley (California) | 2,407.12 mi (3,873.89 km) |
| Severn to Oakton (Virginia) | 36.73 mi (59.11 km) |
| Severn to Oakville (Missouri) | 734.56 mi (1,182.16 km) |
| Severn to Oatfield (Oregon) | 2,353.41 mi (3,787.46 km) |
| Severn to Ocala (Florida) | 755.00 mi (1,215.06 km) |
| Severn to Ocean Acres (New Jersey) | 135.53 mi (218.11 km) |
| Severn to Ocean City (New Jersey) | 112.47 mi (181.00 km) |
| Severn to Ocean Pines (Maryland) | 98.15 mi (157.96 km) |
| Severn to Ocean Pointe (Hawaii) | 4,852.18 mi (7,808.83 km) |
| Severn to Ocean Springs (Mississippi) | 911.96 mi (1,467.66 km) |
| Severn to Oceanside (California) | 2,282.11 mi (3,672.70 km) |
| Severn to Oceanside (New York) | 192.36 mi (309.57 km) |
| Severn to Ocoee (Florida) | 780.04 mi (1,255.35 km) |
| Severn to Oconomowoc (Wisconsin) | 671.68 mi (1,080.97 km) |
