| Marsa to Orangevale (California) | 6,560.69 mi (10,558.40 km) |
| Marsa to Orchards (Washington) | 6,197.35 mi (9,973.68 km) |
| Marsa to Orcutt (California) | 6,751.55 mi (10,865.56 km) |
| Marsa to Oregon (Ohio) | 4,987.00 mi (8,025.80 km) |
| Marsa to Oregon (Wisconsin) | 5,190.16 mi (8,352.76 km) |
| Marsa to Oregon City (Oregon) | 6,219.01 mi (10,008.53 km) |
| Marsa to Orem (Utah) | 6,162.24 mi (9,917.17 km) |
| Marsa to Orinda (California) | 6,636.04 mi (10,679.68 km) |
| Marsa to Orland Park (Illinois) | 5,178.92 mi (8,334.67 km) |
| Marsa to Orlando (Florida) | 5,392.51 mi (8,678.40 km) |
| Marsa to Ormond Beach (Florida) | 5,348.69 mi (8,607.88 km) |
| Marsa to Oro Valley (Arizona) | 6,545.90 mi (10,534.60 km) |
| Marsa to Oroville (California) | 6,524.83 mi (10,500.70 km) |
| Marsa to Oshkosh (Wisconsin) | 5,112.58 mi (8,227.91 km) |
| Marsa to Oskaloosa (Iowa) | 5,391.20 mi (8,676.31 km) |
