| Somerville to Orangeburg (South Carolina) | 811.95 mi (1,306.70 km) |
| Somerville to Orangevale (California) | 2,605.88 mi (4,193.75 km) |
| Somerville to Orchards (Washington) | 2,520.37 mi (4,056.14 km) |
| Somerville to Orcutt (California) | 2,674.02 mi (4,303.42 km) |
| Somerville to Oregon (Ohio) | 634.41 mi (1,020.99 km) |
| Somerville to Oregon (Wisconsin) | 928.14 mi (1,493.70 km) |
| Somerville to Oregon City (Oregon) | 2,529.08 mi (4,070.16 km) |
| Somerville to Orem (Utah) | 2,090.79 mi (3,364.80 km) |
| Somerville to Orinda (California) | 2,675.33 mi (4,305.54 km) |
| Somerville to Orland Park (Illinois) | 860.90 mi (1,385.49 km) |
| Somerville to Orlando (Florida) | 1,118.82 mi (1,800.57 km) |
| Somerville to Ormond Beach (Florida) | 1,062.16 mi (1,709.38 km) |
| Somerville to Oro Valley (Arizona) | 2,271.05 mi (3,654.90 km) |
| Somerville to Oroville (California) | 2,602.24 mi (4,187.90 km) |
| Somerville to Oshkosh (Wisconsin) | 884.84 mi (1,424.01 km) |
