| Agios Ioannis Rentis to Olympia Heights (Florida) | 5,841.22 mi (9,400.54 km) |
| Agios Ioannis Rentis to Omaha (Nebraska) | 5,774.31 mi (9,292.85 km) |
| Agios Ioannis Rentis to On Top of the World Designated Place (Florida) | 5,782.35 mi (9,305.79 km) |
| Agios Ioannis Rentis to Onalaska (Wisconsin) | 5,471.69 mi (8,805.84 km) |
| Agios Ioannis Rentis to Oneida (New York) | 4,900.36 mi (7,886.37 km) |
| Agios Ioannis Rentis to Oneonta (New York) | 4,899.83 mi (7,885.51 km) |
| Agios Ioannis Rentis to Ontario (California) | 6,875.73 mi (11,065.42 km) |
| Agios Ioannis Rentis to Ontario (Oregon) | 6,260.92 mi (10,075.98 km) |
| Agios Ioannis Rentis to Opa-locka (Florida) | 5,829.45 mi (9,381.60 km) |
| Agios Ioannis Rentis to Opelika (Alabama) | 5,760.35 mi (9,270.39 km) |
| Agios Ioannis Rentis to Opelousas (Louisiana) | 6,149.29 mi (9,896.32 km) |
| Agios Ioannis Rentis to Orange (California) | 6,896.00 mi (11,098.03 km) |
| Agios Ioannis Rentis to Orange (Texas) | 6,239.61 mi (10,041.69 km) |
| Agios Ioannis Rentis to Orange City (Florida) | 5,743.81 mi (9,243.77 km) |
| Agios Ioannis Rentis to Orangeburg (South Carolina) | 5,524.05 mi (8,890.10 km) |
