| Matca to Olympia Heights (Florida) | 5,746.78 mi (9,248.55 km) |
| Matca to Omaha (Nebraska) | 5,487.54 mi (8,831.35 km) |
| Matca to On Top of the World Designated Place (Florida) | 5,651.67 mi (9,095.48 km) |
| Matca to Onalaska (Wisconsin) | 5,193.37 mi (8,357.93 km) |
| Matca to Oneida (New York) | 4,701.32 mi (7,566.05 km) |
| Matca to Oneonta (New York) | 4,708.49 mi (7,577.59 km) |
| Matca to Ontario (California) | 6,503.57 mi (10,466.48 km) |
| Matca to Ontario (Oregon) | 5,858.12 mi (9,427.73 km) |
| Matca to Opa-locka (Florida) | 5,734.27 mi (9,228.41 km) |
| Matca to Opelika (Alabama) | 5,586.49 mi (8,990.59 km) |
| Matca to Opelousas (Louisiana) | 5,949.24 mi (9,574.38 km) |
| Matca to Orange (California) | 6,523.41 mi (10,498.41 km) |
| Matca to Orange (Texas) | 6,031.69 mi (9,707.07 km) |
| Matca to Orange City (Florida) | 5,620.41 mi (9,045.18 km) |
| Matca to Orangeburg (South Carolina) | 5,370.33 mi (8,642.71 km) |
