| Heerenveen to Olympia Heights (Florida) | 4,668.01 mi (7,512.43 km) |
| Heerenveen to Omaha (Nebraska) | 4,448.64 mi (7,159.40 km) |
| Heerenveen to On Top of the World Designated Place (Florida) | 4,569.53 mi (7,353.95 km) |
| Heerenveen to Onalaska (Wisconsin) | 4,148.73 mi (6,676.73 km) |
| Heerenveen to Oneida (New York) | 3,624.12 mi (5,832.46 km) |
| Heerenveen to Oneonta (New York) | 3,629.82 mi (5,841.63 km) |
| Heerenveen to Ontario (California) | 5,538.53 mi (8,913.40 km) |
| Heerenveen to Ontario (Oregon) | 4,931.84 mi (7,937.03 km) |
| Heerenveen to Opa-locka (Florida) | 4,655.40 mi (7,492.15 km) |
| Heerenveen to Opelika (Alabama) | 4,506.34 mi (7,252.25 km) |
| Heerenveen to Opelousas (Louisiana) | 4,874.43 mi (7,844.64 km) |
| Heerenveen to Orange (California) | 5,558.82 mi (8,946.06 km) |
| Heerenveen to Orange (Texas) | 4,959.05 mi (7,980.81 km) |
| Heerenveen to Orange City (Florida) | 4,538.63 mi (7,304.22 km) |
| Heerenveen to Orangeburg (South Carolina) | 4,288.28 mi (6,901.33 km) |
