| Norwich to Olympia Heights (Florida) | 4,482.75 mi (7,214.30 km) |
| Norwich to Omaha (Nebraska) | 4,300.27 mi (6,920.62 km) |
| Norwich to On Top of the World Designated Place (Florida) | 4,388.85 mi (7,063.18 km) |
| Norwich to Onalaska (Wisconsin) | 3,998.35 mi (6,434.73 km) |
| Norwich to Oneida (New York) | 3,454.35 mi (5,559.23 km) |
| Norwich to Oneonta (New York) | 3,458.44 mi (5,565.82 km) |
| Norwich to Ontario (California) | 5,414.08 mi (8,713.12 km) |
| Norwich to Ontario (Oregon) | 4,821.37 mi (7,759.24 km) |
| Norwich to Opa-locka (Florida) | 4,470.22 mi (7,194.12 km) |
| Norwich to Opelika (Alabama) | 4,332.50 mi (6,972.49 km) |
| Norwich to Opelousas (Louisiana) | 4,705.73 mi (7,573.15 km) |
| Norwich to Orange (California) | 5,434.45 mi (8,745.90 km) |
| Norwich to Orange (Texas) | 4,791.93 mi (7,711.87 km) |
| Norwich to Orange City (Florida) | 4,356.88 mi (7,011.73 km) |
| Norwich to Orangeburg (South Carolina) | 4,110.77 mi (6,615.64 km) |
