| Jelcz-Laskowice to Olympia Heights (Florida) | 5,169.64 mi (8,319.73 km) |
| Jelcz-Laskowice to Omaha (Nebraska) | 4,907.40 mi (7,897.69 km) |
| Jelcz-Laskowice to On Top of the World Designated Place (Florida) | 5,068.59 mi (8,157.11 km) |
| Jelcz-Laskowice to Onalaska (Wisconsin) | 4,611.31 mi (7,421.19 km) |
| Jelcz-Laskowice to Oneida (New York) | 4,113.43 mi (6,619.93 km) |
| Jelcz-Laskowice to Oneonta (New York) | 4,120.86 mi (6,631.89 km) |
| Jelcz-Laskowice to Ontario (California) | 5,952.46 mi (9,579.57 km) |
| Jelcz-Laskowice to Ontario (Oregon) | 5,322.01 mi (8,564.95 km) |
| Jelcz-Laskowice to Opa-locka (Florida) | 5,157.01 mi (8,299.41 km) |
| Jelcz-Laskowice to Opelika (Alabama) | 4,999.26 mi (8,045.53 km) |
| Jelcz-Laskowice to Opelousas (Louisiana) | 5,361.20 mi (8,628.02 km) |
| Jelcz-Laskowice to Orange (California) | 5,972.53 mi (9,611.86 km) |
| Jelcz-Laskowice to Orange (Texas) | 5,443.76 mi (8,760.88 km) |
| Jelcz-Laskowice to Orange City (Florida) | 5,038.44 mi (8,108.59 km) |
| Jelcz-Laskowice to Orangeburg (South Carolina) | 4,784.88 mi (7,700.52 km) |
