| Marsa to Odessa (Texas) | 6,222.60 mi (10,014.30 km) |
| Marsa to Ogden (Utah) | 6,122.76 mi (9,853.64 km) |
| Marsa to Oildale (California) | 6,674.15 mi (10,741.01 km) |
| Marsa to Ojus (Florida) | 5,431.70 mi (8,741.47 km) |
| Marsa to Okemos (Michigan) | 4,990.01 mi (8,030.65 km) |
| Marsa to Oklahoma City (Oklahoma) | 5,850.42 mi (9,415.34 km) |
| Marsa to Okmulgee (Oklahoma) | 5,779.56 mi (9,301.30 km) |
| Marsa to Olathe (Kansas) | 5,584.93 mi (8,988.08 km) |
| Marsa to Old Jamestown (Missouri) | 5,394.58 mi (8,681.73 km) |
| Marsa to Oldsmar (Florida) | 5,475.93 mi (8,812.66 km) |
| Marsa to Olean (New York) | 4,751.52 mi (7,646.83 km) |
| Marsa to Olive Branch (Mississippi) | 5,536.53 mi (8,910.19 km) |
| Marsa to Olivehurst (California) | 6,548.61 mi (10,538.97 km) |
| Marsa to Olney (Maryland) | 4,790.78 mi (7,710.02 km) |
| Marsa to Olympia (Washington) | 6,128.91 mi (9,863.53 km) |
