| Civitanova Marche to Oakley (California) | 6,164.62 mi (9,921.00 km) |
| Civitanova Marche to Oakton (Virginia) | 4,501.05 mi (7,243.73 km) |
| Civitanova Marche to Oakville (Missouri) | 5,061.72 mi (8,146.06 km) |
| Civitanova Marche to Oatfield (Oregon) | 5,746.60 mi (9,248.25 km) |
| Civitanova Marche to Ocala (Florida) | 5,139.36 mi (8,270.99 km) |
| Civitanova Marche to Ocean Acres (New Jersey) | 4,335.62 mi (6,977.51 km) |
| Civitanova Marche to Ocean City (New Jersey) | 4,368.56 mi (7,030.52 km) |
| Civitanova Marche to Ocean Pines (Maryland) | 4,428.07 mi (7,126.29 km) |
| Civitanova Marche to Ocean Pointe (Hawaii) | 7,941.77 mi (12,781.04 km) |
| Civitanova Marche to Ocean Springs (Mississippi) | 5,376.48 mi (8,652.60 km) |
| Civitanova Marche to Oceanside (California) | 6,313.29 mi (10,160.26 km) |
| Civitanova Marche to Oceanside (New York) | 4,272.63 mi (6,876.14 km) |
| Civitanova Marche to Ocoee (Florida) | 5,138.49 mi (8,269.60 km) |
| Civitanova Marche to Oconomowoc (Wisconsin) | 4,777.28 mi (7,688.29 km) |
| Civitanova Marche to Odenton (Maryland) | 4,467.52 mi (7,189.77 km) |
