| Methuen Town to Olympia Heights (Florida) | 1,284.32 mi (2,066.92 km) |
| Methuen Town to Omaha (Nebraska) | 1,276.12 mi (2,053.71 km) |
| Methuen Town to On Top of the World Designated Place (Florida) | 1,125.67 mi (1,811.59 km) |
| Methuen Town to Onalaska (Wisconsin) | 1,007.11 mi (1,620.79 km) |
| Methuen Town to Oneida (New York) | 227.60 mi (366.29 km) |
| Methuen Town to Oneonta (New York) | 198.16 mi (318.90 km) |
| Methuen Town to Ontario (California) | 2,551.04 mi (4,105.49 km) |
| Methuen Town to Ontario (Oregon) | 2,271.17 mi (3,655.10 km) |
| Methuen Town to Opa-locka (Florida) | 1,271.12 mi (2,045.67 km) |
| Methuen Town to Opelika (Alabama) | 1,039.48 mi (1,672.88 km) |
| Methuen Town to Opelousas (Louisiana) | 1,426.44 mi (2,295.63 km) |
| Methuen Town to Orange (California) | 2,569.55 mi (4,135.29 km) |
| Methuen Town to Orange (Texas) | 1,519.80 mi (2,445.89 km) |
| Methuen Town to Orange City (Florida) | 1,106.70 mi (1,781.06 km) |
| Methuen Town to Orangeburg (South Carolina) | 826.16 mi (1,329.57 km) |
