| Woburn to Olympia (Washington) | 2,511.07 mi (4,041.18 km) |
| Woburn to Olympia Heights (Florida) | 1,269.90 mi (2,043.70 km) |
| Woburn to Omaha (Nebraska) | 1,279.15 mi (2,058.59 km) |
| Woburn to On Top of the World Designated Place (Florida) | 1,113.12 mi (1,791.39 km) |
| Woburn to Onalaska (Wisconsin) | 1,012.34 mi (1,629.21 km) |
| Woburn to Oneida (New York) | 232.17 mi (373.65 km) |
| Woburn to Oneonta (New York) | 199.38 mi (320.88 km) |
| Woburn to Ontario (California) | 2,553.51 mi (4,109.48 km) |
| Woburn to Ontario (Oregon) | 2,278.25 mi (3,666.49 km) |
| Woburn to Opa-locka (Florida) | 1,256.69 mi (2,022.45 km) |
| Woburn to Opelika (Alabama) | 1,030.63 mi (1,658.63 km) |
| Woburn to Opelousas (Louisiana) | 1,419.68 mi (2,284.75 km) |
| Woburn to Orange (California) | 2,571.96 mi (4,139.18 km) |
| Woburn to Orange (Texas) | 1,513.54 mi (2,435.81 km) |
| Woburn to Orange City (Florida) | 1,093.55 mi (1,759.89 km) |
