| Orvault to Olympia Heights (Florida) | 4,421.66 mi (7,115.98 km) |
| Orvault to Omaha (Nebraska) | 4,392.44 mi (7,068.94 km) |
| Orvault to On Top of the World Designated Place (Florida) | 4,355.11 mi (7,008.87 km) |
| Orvault to Onalaska (Wisconsin) | 4,086.87 mi (6,577.18 km) |
| Orvault to Oneida (New York) | 3,479.43 mi (5,599.60 km) |
| Orvault to Oneonta (New York) | 3,476.76 mi (5,595.31 km) |
| Orvault to Ontario (California) | 5,562.79 mi (8,952.45 km) |
| Orvault to Ontario (Oregon) | 5,005.50 mi (8,055.58 km) |
| Orvault to Opa-locka (Florida) | 4,409.65 mi (7,096.65 km) |
| Orvault to Opelika (Alabama) | 4,332.48 mi (6,972.45 km) |
| Orvault to Opelousas (Louisiana) | 4,724.71 mi (7,603.69 km) |
| Orvault to Orange (California) | 5,583.22 mi (8,985.32 km) |
| Orvault to Orange (Texas) | 4,816.57 mi (7,751.52 km) |
| Orvault to Orange City (Florida) | 4,317.53 mi (6,948.40 km) |
| Orvault to Orangeburg (South Carolina) | 4,095.30 mi (6,590.75 km) |
