| Terni to Oakley (California) | 6,176.08 mi (9,939.44 km) |
| Terni to Oakton (Virginia) | 4,479.73 mi (7,209.42 km) |
| Terni to Oakville (Missouri) | 5,048.67 mi (8,125.06 km) |
| Terni to Oatfield (Oregon) | 5,763.74 mi (9,275.84 km) |
| Terni to Ocala (Florida) | 5,111.30 mi (8,225.84 km) |
| Terni to Ocean Acres (New Jersey) | 4,313.39 mi (6,941.73 km) |
| Terni to Ocean City (New Jersey) | 4,345.98 mi (6,994.18 km) |
| Terni to Ocean Pines (Maryland) | 4,404.82 mi (7,088.88 km) |
| Terni to Ocean Pointe (Hawaii) | 7,983.44 mi (12,848.11 km) |
| Terni to Ocean Springs (Mississippi) | 5,354.48 mi (8,617.20 km) |
| Terni to Oceanside (California) | 6,317.48 mi (10,167.00 km) |
| Terni to Oceanside (New York) | 4,251.05 mi (6,841.41 km) |
| Terni to Ocoee (Florida) | 5,109.41 mi (8,222.81 km) |
| Terni to Oconomowoc (Wisconsin) | 4,767.80 mi (7,673.04 km) |
| Terni to Odenton (Maryland) | 4,446.01 mi (7,155.16 km) |
