| Sannicolau Mare to Orangevale (California) | 6,122.14 mi (9,852.63 km) |
| Sannicolau Mare to Orchards (Washington) | 5,712.45 mi (9,193.30 km) |
| Sannicolau Mare to Orcutt (California) | 6,340.92 mi (10,204.72 km) |
| Sannicolau Mare to Oregon (Ohio) | 4,791.12 mi (7,710.56 km) |
| Sannicolau Mare to Oregon (Wisconsin) | 4,942.94 mi (7,954.89 km) |
| Sannicolau Mare to Oregon City (Oregon) | 5,735.48 mi (9,230.37 km) |
| Sannicolau Mare to Orem (Utah) | 5,784.03 mi (9,308.50 km) |
| Sannicolau Mare to Orinda (California) | 6,194.69 mi (9,969.40 km) |
| Sannicolau Mare to Orland Park (Illinois) | 4,954.91 mi (7,974.16 km) |
| Sannicolau Mare to Orlando (Florida) | 5,352.15 mi (8,613.46 km) |
| Sannicolau Mare to Ormond Beach (Florida) | 5,301.52 mi (8,531.97 km) |
| Sannicolau Mare to Oro Valley (Arizona) | 6,229.13 mi (10,024.81 km) |
| Sannicolau Mare to Oroville (California) | 6,079.28 mi (9,783.65 km) |
| Sannicolau Mare to Oshkosh (Wisconsin) | 4,859.49 mi (7,820.59 km) |
| Sannicolau Mare to Oskaloosa (Iowa) | 5,138.64 mi (8,269.84 km) |
