| Marki to Olympia Heights (Florida) | 5,281.76 mi (8,500.18 km) |
| Marki to Omaha (Nebraska) | 4,960.50 mi (7,983.15 km) |
| Marki to On Top of the World Designated Place (Florida) | 5,171.28 mi (8,322.37 km) |
| Marki to Onalaska (Wisconsin) | 4,668.43 mi (7,513.11 km) |
| Marki to Oneida (New York) | 4,199.90 mi (6,759.08 km) |
| Marki to Oneonta (New York) | 4,209.78 mi (6,774.98 km) |
| Marki to Ontario (California) | 5,970.24 mi (9,608.17 km) |
| Marki to Ontario (Oregon) | 5,327.19 mi (8,573.28 km) |
| Marki to Opa-locka (Florida) | 5,269.00 mi (8,479.63 km) |
| Marki to Opelika (Alabama) | 5,089.64 mi (8,190.99 km) |
| Marki to Opelousas (Louisiana) | 5,442.07 mi (8,758.16 km) |
| Marki to Orange (California) | 5,990.11 mi (9,640.14 km) |
| Marki to Orange (Texas) | 5,521.84 mi (8,886.54 km) |
| Marki to Orange City (Florida) | 5,143.30 mi (8,277.35 km) |
| Marki to Orangeburg (South Carolina) | 4,882.22 mi (7,857.17 km) |
