| Sortland to Olympia Heights (Florida) | 4,711.26 mi (7,582.05 km) |
| Sortland to Omaha (Nebraska) | 4,078.90 mi (6,564.35 km) |
| Sortland to On Top of the World Designated Place (Florida) | 4,543.14 mi (7,311.47 km) |
| Sortland to Onalaska (Wisconsin) | 3,812.56 mi (6,135.73 km) |
| Sortland to Oneida (New York) | 3,513.48 mi (5,654.41 km) |
| Sortland to Oneonta (New York) | 3,537.35 mi (5,692.82 km) |
| Sortland to Ontario (California) | 4,945.05 mi (7,958.29 km) |
| Sortland to Ontario (Oregon) | 4,275.12 mi (6,880.14 km) |
| Sortland to Opa-locka (Florida) | 4,698.05 mi (7,560.79 km) |
| Sortland to Opelika (Alabama) | 4,390.33 mi (7,065.56 km) |
| Sortland to Opelousas (Louisiana) | 4,678.97 mi (7,530.07 km) |
| Sortland to Orange (California) | 4,964.12 mi (7,988.98 km) |
| Sortland to Orange (Texas) | 4,741.99 mi (7,631.50 km) |
| Sortland to Orange City (Florida) | 4,530.12 mi (7,290.53 km) |
| Sortland to Orangeburg (South Carolina) | 4,231.98 mi (6,810.71 km) |
