| Kalymnos to Olympia Heights (Florida) | 6,032.75 mi (9,708.77 km) |
| Kalymnos to Omaha (Nebraska) | 5,943.15 mi (9,564.57 km) |
| Kalymnos to On Top of the World Designated Place (Florida) | 5,971.46 mi (9,610.14 km) |
| Kalymnos to Onalaska (Wisconsin) | 5,641.71 mi (9,079.46 km) |
| Kalymnos to Oneida (New York) | 5,081.76 mi (8,178.30 km) |
| Kalymnos to Oneonta (New York) | 5,082.16 mi (8,178.95 km) |
| Kalymnos to Ontario (California) | 7,026.29 mi (11,307.72 km) |
| Kalymnos to Ontario (Oregon) | 6,401.54 mi (10,302.28 km) |
| Kalymnos to Opa-locka (Florida) | 6,020.94 mi (9,689.76 km) |
| Kalymnos to Opelika (Alabama) | 5,945.53 mi (9,568.41 km) |
| Kalymnos to Opelousas (Louisiana) | 6,331.89 mi (10,190.20 km) |
| Kalymnos to Orange (California) | 7,046.46 mi (11,340.19 km) |
| Kalymnos to Orange (Texas) | 6,421.34 mi (10,334.15 km) |
| Kalymnos to Orange City (Florida) | 5,933.44 mi (9,548.95 km) |
| Kalymnos to Orangeburg (South Carolina) | 5,711.00 mi (9,190.97 km) |
