| Roncade to Olympia Heights (Florida) | 5,093.32 mi (8,196.91 km) |
| Roncade to Omaha (Nebraska) | 4,990.56 mi (8,031.54 km) |
| Roncade to On Top of the World Designated Place (Florida) | 5,020.47 mi (8,079.66 km) |
| Roncade to Onalaska (Wisconsin) | 4,687.53 mi (7,543.84 km) |
| Roncade to Oneida (New York) | 4,119.69 mi (6,630.00 km) |
| Roncade to Oneonta (New York) | 4,120.42 mi (6,631.17 km) |
| Roncade to Ontario (California) | 6,108.63 mi (9,830.90 km) |
| Roncade to Ontario (Oregon) | 5,510.37 mi (8,868.08 km) |
| Roncade to Opa-locka (Florida) | 5,081.21 mi (8,177.42 km) |
| Roncade to Opelika (Alabama) | 4,985.98 mi (8,024.16 km) |
| Roncade to Opelousas (Louisiana) | 5,370.15 mi (8,642.43 km) |
| Roncade to Orange (California) | 6,128.99 mi (9,863.66 km) |
| Roncade to Orange (Texas) | 5,459.29 mi (8,785.88 km) |
| Roncade to Orange City (Florida) | 4,984.37 mi (8,021.58 km) |
| Roncade to Orangeburg (South Carolina) | 4,754.43 mi (7,651.51 km) |
