| Acton to Orangevale (California) | 5,261.14 mi (8,466.98 km) |
| Acton to Orchards (Washington) | 4,895.17 mi (7,878.01 km) |
| Acton to Orcutt (California) | 5,457.45 mi (8,782.92 km) |
| Acton to Oregon (Ohio) | 3,790.37 mi (6,100.01 km) |
| Acton to Oregon (Wisconsin) | 3,959.70 mi (6,372.52 km) |
| Acton to Oregon City (Oregon) | 4,916.76 mi (7,912.77 km) |
| Acton to Orem (Utah) | 4,875.10 mi (7,845.71 km) |
| Acton to Orinda (California) | 5,336.23 mi (8,587.84 km) |
| Acton to Orland Park (Illinois) | 3,963.35 mi (6,378.40 km) |
| Acton to Orlando (Florida) | 4,334.26 mi (6,975.32 km) |
| Acton to Ormond Beach (Florida) | 4,283.51 mi (6,893.64 km) |
| Acton to Oro Valley (Arizona) | 5,283.71 mi (8,503.31 km) |
| Acton to Oroville (California) | 5,224.36 mi (8,407.79 km) |
| Acton to Oshkosh (Wisconsin) | 3,878.19 mi (6,241.34 km) |
| Acton to Oskaloosa (Iowa) | 4,158.36 mi (6,692.23 km) |
